chore(deps): pin actions/stale action from v9 to 28ca103

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Diff for: .github/workflows/stale.yml

@@ -17,7 +17,7 @@ jobs:
       issues: write
 
     steps:
-    - uses: actions/stale@v9
+    - uses: actions/stale@28ca1036281a5e5922ead5184a1bbf96e5fc984e # v9
       with:
         repo-token: ${{ secrets.COMMAND_BOT_PAT }}
         stale-issue-message: >