feat(github): merge checks workflow [pulumi]

Author: mergealot

.github/workflows/merge-checks.yml

@@ -17,7 +17,7 @@ jobs:
       contents: read
       statuses: write
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         id: get-head-hash
         with:
           result-encoding: string