Update lock-comments.yml

Author: zekeatchan

.github/workflows/lock-comments.yml

@@ -21,5 +21,5 @@ jobs:
           github-token: ${{ github.token }}
           issue-inactive-days: '180'
           issue-lock-reason: 'resolved'
-          process-only: 'issues'
+          process-only: 'issue'
           log-output: true