CI: Cancel obsolete github CI run

cathay4t · cathay4t · commit 5fca904b11ba · 2024-08-05T14:18:51.000+08:00
Signed-off-by: Gris Ge &lt;fge@redhat.com&gt;
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -1,5 +1,9 @@
 name: CI
 
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   pull_request:
     types: [opened, synchronize, reopened]
