ci: bump actions/github-script from 6 to 7 (#32)

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

.github/workflows/publish.yml

@@ -32,7 +32,7 @@ jobs:
           branch: master
 
       - name: Delete branch
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         if: github.event.pull_request.head.repo.fork == false
         with:
           github-token: ${{ secrets.GIT_PAT }}

.github/workflows/upstream_formula_update.yml

@@ -54,7 +54,7 @@ jobs:
           git push origin HEAD:refs/heads/${branch}
 
       - name: Create PR
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         id: create-pr
         with:
           github-token: ${{ secrets.GIT_PAT }}