Update codeql.yml

Author: mikehaller

.github/workflows/codeql.yml

@@ -14,7 +14,8 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "main" ]
+    paths:
+    - kuksa-carsim/**/*.py
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [ "main" ]