ci(deps): bump actions/github-script from 6 to 7 (#337)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/automerge.yml

@@ -21,7 +21,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Download artifact
-              uses: actions/github-script@v6
+              uses: actions/github-script@v7
               with:
                   script: |
                       const fs = require('fs');
@@ -48,7 +48,7 @@ jobs:
               run: unzip pr.zip
 
             - name: Merge PR
-              uses: actions/github-script@v6
+              uses: actions/github-script@v7
               with:
                   github-token: ${{ secrets.GITHUB_TOKEN }}
                   script: |