Bump actions/stale from 9.0.0 to 9.1.0 (#4616)

Author: dependabot[bot]

.github/workflows/stale.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/stale@28ca1036281a5e5922ead5184a1bbf96e5fc984e # v9.0.0
+      - uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639 # v9.1.0
         with:
           stale-issue-label: 'state: stale'
           stale-pr-label: 'state: stale'