Bump actions/github-script from 3 to 6

Bumps [actions/github-script](https://github.com/actions/github-script) from 3 to 6.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v3...v6)

---
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>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request_target' && (github.actor == github.repository_owner || github.actor == 'dependabot[bot]')
     steps:
-    - uses: actions/github-script@v3
+    - uses: actions/github-script@v6
       with:
         script: |
           github.pulls.merge({