[actions] always run linter action

Author: ljharb

.github/workflows/linter.yml

@@ -15,11 +15,7 @@ name: Lint Code Base
 # Start the job on all push #
 #############################
 on:
-  push:
-    branches-ignore: [main]
-    # Remove the line above to run when pushing to main
-  pull_request:
-    branches: [main]
+  [push, pull_request]
 
 ###############
 # Set the Job #