[chore](auto-pick)Support cherry pick to 2.1

.github/workflows/auto-cherry-pick.yml

@@ -30,7 +30,7 @@ permissions:
 jobs:
   auto_cherry_pick:
     runs-on: ubuntu-latest
-    if: ${{ contains(github.event.pull_request.labels.*.name, 'dev/3.0.x') && github.event.pull_request.merged == true }}
+    if: ${{ (contains(github.event.pull_request.labels.*.name, 'dev/3.0.x') || contains(github.event.pull_request.labels.*.name, 'dev/2.1.x')) && github.event.pull_request.merged == true }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
@@ -53,10 +53,19 @@ jobs:
             else
               echo "SHA matches: $calculated_sha"
             fi
-      - name: Auto cherry-pick
+      - name: Auto cherry-pick to branch-3.0
+        if: ${{ contains(github.event.pull_request.labels.*.name, 'dev/3.0.x') }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           REPO_NAME: ${{ github.repository }}
           CONFLICT_LABEL: cherry-pick-conflict-in-3.0
         run: |
           python tools/auto-pick-script.py ${{ github.event.pull_request.number }} branch-3.0  
+      - name: Auto cherry-pick to branch-2.1
+        if: ${{ contains(github.event.pull_request.labels.*.name, 'dev/2.1.x') }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO_NAME: ${{ github.repository }}
+          CONFLICT_LABEL: cherry-pick-conflict-in-2.1.x
+        run: |
+            python tools/auto-pick-script.py ${{ github.event.pull_request.number }} branch-2.1