Update contributor workflow

.github/workflows/contributors.yml

@@ -5,31 +5,41 @@ on:
     - cron:  '0 0 * * *'
 
 jobs:
+  delete-old-branch:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - 
+        name: Delete old contributors-update branch
+        uses: dawidd6/action-delete-branch@v3
+        with:
+          github_token: ${{secrets.GITHUB_TOKEN}}
+          branches: contributors-update
+    
   add-contributors:
     runs-on: ubuntu-latest
+    needs: delete-old-branch
     steps:
-    - uses: actions/checkout@v2
-    - name: Delete old contributors-update branch
-      uses: dawidd6/action-delete-branch@v3
-      with:
-        github_token: ${{secrets.GITHUB_TOKEN}}
-        branches: contributors-update
-    - name: Create contributors-update branch
-      uses: peterjgrainger/action-create-branch@v2.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        branch: 'contributors-update'
-    - name: Auto-add contributors
-      uses: BobAnkh/add-contributors@v0.2.2
-      with:
-        BRANCH: 'contributors-update'
-        PULL_REQUEST: 'master'
-        CONTRIBUTOR: '## Contributors'
-        COLUMN_PER_ROW: '6'
-        ACCESS_TOKEN: ${{secrets.GITHUB_TOKEN}}
-        IMG_WIDTH: '100'
-        FONT_SIZE: '14'
-        PATH: '/CONTRIBUTORS.md'
-        COMMIT_MESSAGE: 'docs(CONTRIBUTORS): update contributors'
-        AVATAR_SHAPE: 'round'
+      - 
+        uses: actions/checkout@v2
+      - 
+        name: Create contributors-update branch
+        uses: peterjgrainger/action-create-branch@v2.0.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          branch: 'contributors-update'
+      - 
+        name: Auto-add contributors
+        uses: BobAnkh/add-contributors@v0.2.2
+        with:
+          BRANCH: 'contributors-update'
+          PULL_REQUEST: 'master'
+          CONTRIBUTOR: '## Contributors'
+          COLUMN_PER_ROW: '6'
+          ACCESS_TOKEN: ${{secrets.GITHUB_TOKEN}}
+          IMG_WIDTH: '100'
+          FONT_SIZE: '14'
+          PATH: '/CONTRIBUTORS.md'
+          COMMIT_MESSAGE: 'docs(CONTRIBUTORS): update contributors'
+          AVATAR_SHAPE: 'round'