chore: sync docs, ADR, and workflow versions with CD fixes

.github/workflows/cd-backend-springboot.yml

@@ -17,8 +17,8 @@ jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-java@v4
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
         with:
           java-version: 25
           distribution: graalvm
@@ -33,7 +33,7 @@ jobs:
             -Dspring-boot.build-image.imageName=$IMAGE_NAME:${{ github.ref_name }} \
             -q
       - name: Log in to GHCR
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/cd.yml

@@ -17,13 +17,13 @@ jobs:
       run:
         working-directory: frontend
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
+      - uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@v4
         with:
           node-version: 24
       - run: pnpm install --frozen-lockfile --prefer-offline

.github/workflows/ci-backend-springboot.yml

@@ -17,10 +17,10 @@ jobs:
       run:
         working-directory: backend-springboot
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 25
           distribution: graalvm
@@ -33,10 +33,10 @@ jobs:
       run:
         working-directory: backend-springboot
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 25
           distribution: graalvm
@@ -49,10 +49,10 @@ jobs:
       run:
         working-directory: backend-springboot
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 25
           distribution: graalvm
@@ -65,10 +65,10 @@ jobs:
       run:
         working-directory: backend-springboot
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 25
           distribution: graalvm
@@ -84,10 +84,10 @@ jobs:
       run:
         working-directory: backend-springboot
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 25
           distribution: graalvm
@@ -101,10 +101,10 @@ jobs:
       run:
         working-directory: backend-springboot
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 25
           distribution: graalvm
@@ -118,10 +118,10 @@ jobs:
       run:
         working-directory: backend-springboot
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           java-version: 25
           distribution: graalvm

.github/workflows/ci-backend.yml

@@ -14,11 +14,11 @@ jobs:
       run:
         working-directory: backend-nestjs
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-      - uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@v4
         with:
           node-version: 24
           cache: pnpm
@@ -32,11 +32,11 @@ jobs:
       run:
         working-directory: backend-nestjs
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-      - uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@v4
         with:
           node-version: 24
           cache: pnpm
@@ -50,11 +50,11 @@ jobs:
       run:
         working-directory: backend-nestjs
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-      - uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@v4
         with:
           node-version: 24
           cache: pnpm
@@ -70,11 +70,11 @@ jobs:
       run:
         working-directory: backend-nestjs
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-      - uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@v4
         with:
           node-version: 24
           cache: pnpm
@@ -89,11 +89,11 @@ jobs:
       run:
         working-directory: backend-nestjs
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-      - uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@v4
         with:
           node-version: 24
           cache: pnpm
@@ -108,11 +108,11 @@ jobs:
       run:
         working-directory: backend-nestjs
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-      - uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@v4
         with:
           node-version: 24
           cache: pnpm
@@ -127,11 +127,11 @@ jobs:
       run:
         working-directory: backend-nestjs
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-      - uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@v4
         with:
           node-version: 24
           cache: pnpm

.github/workflows/ci-e2e.yml

@@ -44,7 +44,7 @@ jobs:
           --health-timeout 2s
           --health-retries 10
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       - uses: pnpm/action-setup@v4
@@ -104,7 +104,7 @@ jobs:
           --health-timeout 2s
           --health-retries 15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       - uses: pnpm/action-setup@v4
@@ -115,7 +115,7 @@ jobs:
           node-version: 24
           cache: pnpm
           cache-dependency-path: frontend/pnpm-lock.yaml
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           distribution: temurin
           java-version: 25