enable ros tests for all PRs

Author: sgillen

.github/workflows/ros-tests.yml

@@ -20,6 +20,9 @@ name: ROS2 Tests
 on:
   push:
     branches: [ "**" ]  # Run on all branches
+  pull_request:
+    branches: [ main ]
+    types: [ opened, synchronize, reopened, ready_for_review ]
 
 env:
   ROS_LOCALHOST_ONLY: 1