fix(ci): also run ci in release-2.0 branch (#6393)

Author: liubog2008

.github/workflows/ci-v2.yaml

@@ -4,9 +4,11 @@ on:
   push:
     branches:
     - feature/v2
+    - release-2.0
   pull_request:
     branches:
     - feature/v2
+    - release-2.0
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -26,18 +28,18 @@ jobs:
     - uses: docker/setup-qemu-action@v3
       with:
         image: gcr.io/pingcap-public/third-party/tonistiigi/binfmt:latest
-    
+
     - name: setup buildx context
       run: |
         docker context create builder
-    
+
     - uses: docker/setup-buildx-action@v3
       with:
         platforms: linux/arm64,linux/amd64
         endpoint: builder
         driver-opts: |
           image=gcr.io/pingcap-public/third-party/moby/buildkit:buildx-stable-1
-    
+
     - name: image
       run: |
         V_PLATFORMS=linux/arm64,linux/amd64 make image
@@ -54,7 +56,7 @@ jobs:
     - name: build
       run: |
         make build
-  
+
   lint:
     runs-on: ubuntu-24.04
     steps: