ci: bisect actions

Co-authored-by: arena-agent <297053741+arena-agent@users.noreply.github.com>

Author: hyperpolymath

.github/workflows/zz-probe-a1.yml

@@ -0,0 +1,17 @@
+name: ZZ probe a1
+
+on:
+  push:
+    branches: [arena/5b8efe75-echidna]
+
+permissions:
+  contents: read
+
+jobs:
+  diag:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v7.0.1
+      - name: Say hi
+        run: echo hi

.github/workflows/zz-probe-a.yml .github/workflows/zz-probe-a2.yml.github/workflows/zz-probe-a.yml renamed to .github/workflows/zz-probe-a2.yml

@@ -1,4 +1,4 @@
-name: ZZ probe a
+name: ZZ probe a2
 
 on:
   push:
@@ -9,17 +9,11 @@ permissions:
 
 jobs:
   diag:
-    timeout-minutes: 25
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v7.0.1
-
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
-          components: clippy, rustfmt
-
       - name: Say hi
         run: echo hi