ci: cancel same in-progress workflow (#6127)

Author: ydcjeff

.github/workflows/ci.yml

@@ -14,6 +14,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ${{ matrix.os }}