pipeline.yml in ws-style-6.11.2

- old
+ new

@@ -1,8 +1,12 @@
 ---
 name: Pipeline
 on:
   - push
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     name: Build
     runs-on: ubuntu-20.04
     steps: