cancel CI from previous commit

Author: znck

.github/workflows/ci.yaml

@@ -10,7 +10,7 @@ name: CI/CD
       - v*
 concurrency:
   group: build-${{ github.ref }}
-  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+  cancel-in-progress: true
 jobs:
   build:
     name: Build