skip tests for doc files changes

[smuzaffar]

If CMSSW pull request only contain doc files changes ( e.g. files with .md or /README) then skip tests.

[cmsbuild]

A new Pull Request was created by @smuzaffar for branch master.

@akritkbehera, @cmsbuild, @iarspider, @raoatifshad, @smuzaffar can you please review it and eventually sign? Thanks.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.
cms-bot commands are listed here

[cmsbuild]

cms-bot internal usage

[smuzaffar]

please test with cms-sw/cmssw#51615

[smuzaffar]

please test with cms-sw/cmssw#51615

[cmsbuild]

Pull request #2824 was updated.

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-67c74e/55272/summary.html
COMMIT: b664289
CMSSW: CMSSW_20_1_X_2026-08-11-2300/el9_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cms-bot/2824/55272/install.sh to create a dev area with all the needed externals and cmssw changes.

[smuzaffar]

+externals

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @ftenchini, @sextonkennedy, @mandrenguyen (and backports should be raised in the release meeting by the corresponding L2)