upd

.github/workflows/ci.yml

@@ -1,8 +1,14 @@
 name: ci
 
 on:
-  push:
+  workflow_dispatch:
   pull_request:
+  push:
+    branches: [master, v2]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
 
 defaults:
   run: