updated pipe line

Author: AjitPadhi-Microsoft

.github/workflows/python-app.yml

@@ -6,8 +6,18 @@ name: Python application
 on:
   push:
     branches: [ "main" ]
+    paths:
+      - 'src/**/*.py'
+      - 'src/requirements*.txt'
+      - 'src/tests/**'
+      - '.github/workflows/python-app.yml'
   pull_request:
     branches: [ "main" ]
+    paths:
+      - 'src/**/*.py'
+      - 'src/requirements*.txt'
+      - 'src/tests/**'
+      - '.github/workflows/python-app.yml'
 
 permissions:
   contents: read