Fix github event attribute path.

Author: tillahoffmann

.github/workflows/labels.yml

@@ -13,15 +13,15 @@ jobs:
       env:
         JSON: ${{ toJson(github.event) }}
   add-label:
-    if: ${{ github.event.user.login != 'tillahoffmann' }}
+    if: ${{ github.event.comment.user.login != 'tillahoffmann' }}
     runs-on: ubuntu-latest
     steps:
     - name: Add label
       uses: actions-ecosystem/action-add-labels@v1
       with:
         labels: requires-attention
   remove-label:
-    if: ${{ github.event.user.login == 'tillahoffmann' }}
+    if: ${{ github.event.comment.user.login == 'tillahoffmann' }}
     runs-on: ubuntu-latest
     steps:
     - name: Remove label