⬆️ Bump actions/stale from 6 to 7 (#121)

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
...

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

Author: dependabot[bot]

.github/workflows/stale.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 🚀 Run stale
-        uses: actions/stale@v6
+        uses: actions/stale@v7
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           days-before-stale: 30