chore: 添加判断 pull request

.github/workflows/issue-comment.yml

@@ -5,7 +5,7 @@ on:
 jobs:
   add-label-if-is-author:
     runs-on: ubuntu-latest
-    if: ${{ github.event.comment.pull_request.user.id == github.event.comment.user.id }}
+    if: ${{ github.event.comment.pull_request.user.id == github.event.comment.user.id }} && ${{ !github.event.comment.pull_request.pull_request }}
     steps:
       - name: Add require handle label
         uses: actions-cool/issues-helper@v2

.github/workflows/issue-open.yml

@@ -10,6 +10,7 @@ jobs:
     steps:
       - name: Add labels
         uses: actions-cool/issues-helper@v2
+        if: ${{ !github.event.comment.pull_request.pull_request }}
         with:
           actions: 'add-labels'
           labels: '状态:待处理'