Bump actions/github-script from 6 to 7

Bumps [actions/github-script](https://github.com/actions/github-script) from 6 to 7.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v6...v7)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/pull-request.yaml

@@ -68,7 +68,7 @@ jobs:
         run: cdk synth -o head.cdk.out
 
       - name: Comment on Pull Request
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
@@ -134,7 +134,7 @@ jobs:
 
       - name: Comment on Pull Request
         if: steps.pre-commit.outputs.failed == 1 && steps.pre-commit.outputs.dirty == 1
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
 
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}