Upgraded checkout action to major version tag

Author: amit-momin

.github/workflows/cre-branch-protection.yml

@@ -11,7 +11,7 @@ jobs:
   check-cre-target-branch:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0