fix: github action

Author: tomalaforge

.github/workflows/label-issue-update.yml

@@ -8,8 +8,8 @@ jobs:
  update_labels:
  runs-on: ubuntu-latest
  if: |
- contains(github.event.issue.labels.*.name, 'sponsor') ||
- contains(github.event.issue.labels.*.name, 'contributor')
+ contains(github.event.pull_request.labels.*.name, 'sponsor') ||
+ contains(github.event.pull_request.labels.*.name, 'contributor')
  steps:
  - name: checkout
  uses: actions/checkout@v2