remove push trigger

Author: sgillen

.github/workflows/ros-tests.yml

@@ -18,8 +18,6 @@
 name: ROS2 Tests
 
 on:
-  push:
-    branches: [ "**" ]  # Run on all branches
   pull_request:
     branches: [ main ]
     types: [ opened, synchronize, reopened, ready_for_review ]