try newer version to see if it avoids errors

Author: benfry

.github/workflows/lock.yml

@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v2.0.1
+      - uses: dessant/lock-threads@v4
         with:
           github-token: ${{ github.token }}
           issue-lock-inactive-days: '30'