Bump actions/github-script from 6.4.1 to 7.0.0

Bumps [actions/github-script](https://github.com/actions/github-script) from 6.4.1 to 7.0.0.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v6.4.1...v7.0.0)

---
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/automerge.yml

@@ -12,7 +12,7 @@ jobs:
     if: ${{ github.actor == 'dependabot[bot]' }}
     steps:
     - name: automerge
-      uses: actions/github-script@v6.4.1
+      uses: actions/github-script@v7.0.0
       with:
         script: |
           github.rest.pulls.merge({