[skip ci] Update dessant/lock-threads action to v4 (#8666)

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

.github/workflows/lock.yml

@@ -12,7 +12,7 @@ jobs:
   lock:
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v3
+      - uses: dessant/lock-threads@v4
         with:
           github-token: ${{ github.token }}
           issue-inactive-days: '2'