Bump dessant/lock-threads from 6.0.0 to 6.0.2 (#150)

This fixes the workflow failure happening every day.

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/lock.yml

@@ -8,7 +8,7 @@ jobs:
   lock:
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v6.0.0
+      - uses: dessant/lock-threads@v6.0.2
         with:
           github-token: ${{ github.token }}
           issue-lock-inactive-days: '7'