feat: use latest CI scripts when testing old commits

When testing specific commit SHAs via workflow_dispatch, always use
the latest versions of all GitHub Actions scripts from main branch
to ensure we have all bug fixes and improvements.

This prevents issues where old commits have outdated CI logic.

Signed-off-by: Mark Pollack <[email protected]>

Author: markpollack

.github/workflows/main-push-fast.yml

@@ -35,7 +35,20 @@ jobs:
         if: github.event.inputs.commit_sha
         run: |
           echo "Checking out specific commit: ${{ github.event.inputs.commit_sha }}"
+          # Save the latest main reference
+          LATEST_MAIN=$(git rev-parse origin/main)
+          
+          # Checkout the target commit
           git checkout ${{ github.event.inputs.commit_sha }}
+          
+          # Preserve all latest GitHub Actions scripts from main
+          echo "Using latest GitHub Actions scripts from main..."
+          # Copy all scripts from main's .github/scripts directory
+          for script in $(git ls-tree -r --name-only ${LATEST_MAIN} .github/scripts/); do
+            echo "  Updating ${script}"
+            git show ${LATEST_MAIN}:${script} > ${script}
+          done
+          # Note: The workflow itself is already from main (since that's what's running)
 
       - uses: actions/setup-java@v4
         with: