Update ci.yml

Author: cristianoc

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ on:
       - "v[0-9]+.[0-9]+.[0-9]+-*"
 
   pull_request:
-    branches: [master, 11.0_release]
+    branches: [master, 11.0_release, arity]
 
 concurrency:
   group: ci-${{ github.ref }}-1