ci: create sync-gitee.yml (#29405)

* Create sync-gitee.yml

* Update sync-gitee.yml

.github/workflows/sync-gitee.yml

@@ -0,0 +1,26 @@
+name: 🔀 Sync mirror to Gitee
+
+on:
+  push:
+    branches:
+      - master
+      - gh-pages
+      - feature
+      - 2.x-stable
+      - 3.x-stable
+  create:
+
+jobs:
+  mirror:
+    runs-on: ubuntu-latest
+    if: github.repository == 'ant-design/ant-design'
+    steps:
+      - name: mirror
+        continue-on-error: true
+        if: github.event_name == 'push' || (github.event_name == 'create' && github.event.ref_type == 'tag')
+        uses: wearerequired/git-mirror-action@v1
+        env:
+          SSH_PRIVATE_KEY: ${{ secrets.GITEE_SSH_PRIVATE_KEY }}
+        with:
+          source-repo: 'git@github.com:ant-design/ant-design.git'
+          destination-repo: 'git@gitee.com:ant-design/ant-design.git'