Bump actions/stale from 6 to 7 (#7957)

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

.github/workflows/stale.yml

@@ -7,7 +7,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v6
+      - uses: actions/stale@v7
         with:
           stale-issue-message: "This issue is stale because it has been open 30 days with no activity. To keep this issue open remove stale label or comment."
           stale-issue-label: "status:stale"