chore(deps): update snok/container-retention-policy action to v1.3.1 (#417)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

.github/workflows/cleanup-registry.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Delete old versions
-        uses: snok/container-retention-policy@455daa39a1817585ad2ef264650d3ff84b1c81d9 # renovate: tag=v1.2.1
+        uses: snok/container-retention-policy@dbf4664335a6574270273ceed299751526798d10 # renovate: tag=v1.3.1
         with:
           image-names: ${{ env.IMAGE_NAMES }}
           cut-off: 2 days ago UTC