build(deps): bump actions/stale from 3 to 4 (python#27526)

dependabot[bot] · web-flow · commit db3774d063be · 2021-08-02T18:04:18.000+02:00
Bumps [actions/stale](https://github.com/actions/stale) from 3 to 4. - [Release notes](https://github.com/actions/stale/releases) - [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md) - [Commits](actions/stale@v3...v4) Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/stale@v3
+    - uses: actions/stale@v4
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         stale-pr-message: 'This PR is stale because it has been open for 30 days with no activity.'
