Bump actions/github-script from 6.2.0 to 6.3.0 (#1079)

Bumps [actions/github-script](https://github.com/actions/github-script) from 6.2.0 to 6.3.0.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@c713e51...d4560e1)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/milestone.yml

@@ -23,7 +23,7 @@ jobs:
       statuses: none
 
     steps:
-      - uses: actions/github-script@c713e510dbd7d213d92d41b7a7805a986f4c5c66 # v6
+      - uses: actions/github-script@d4560e157075e2d93aa3022b5b51a42a880f1f93 # v6
         with:
           script: |
             if (!context.payload.pull_request.merged) {