fix(ci): add concurrency control to release workflow (#78)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: krider2010

.github/workflows/release.yml

@@ -12,6 +12,10 @@ permissions:
   packages: write
   pull-requests: write
 
+concurrency:
+  group: release
+  cancel-in-progress: false
+
 jobs:
   release:
     runs-on: ubuntu-latest