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] <support@github.com>

.github/workflows/deploy-preview.yaml

@@ -24,7 +24,7 @@ jobs:
           echo "comment_message=👋 Thanks for opening this PR! The book will be automatically built with [GitHub Actions](https://github.com/features/actions). To see the status of your deployment, click below." >> $GITHUB_ENV
 
       - name: Find Pull Request
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         id: find-pull-request
         with:
           script: |