Update actions/stale action to v9.1.0

Signed-off-by: Mend Renovate <[email protected]>

Author: renovate-bot

.github/workflows/stale.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/stale@28ca1036281a5e5922ead5184a1bbf96e5fc984e # v9.0.0
+      - uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639 # v9.1.0
         with:
           days-before-issue-stale: -1
           days-before-issue-close: -1