fix(deps): bump actions/stale from 6 to 7

Bumps [actions/stale](https://github.com/actions/stale) from 6 to 7.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](actions/stale@v6...v7)

---
updated-dependencies:
- dependency-name: actions/stale
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/stale.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/stale@v6
+      - uses: actions/stale@v7
         with:
           stale-issue-message: |
             A stale label has been added to this issue because it has been open 15 days with no activity. To keep this issue open, add a comment within 5 days.