Merge pull request #70 from ros-sports/feat/update-iron-ci

update iron ci

.github/workflows/build_and_test_iron.yaml

@@ -6,11 +6,11 @@ name: Build and Test (iron)
 on:
   # Triggers the workflow on push
   push:
-    branches: [ rolling ]
+    branches: [ iron ]
 
   # Triggers the workflow on pull requests
   pull_request:
-    branches: [ rolling ]
+    branches: [ iron ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: