swapping to paths instead of paths-ignore to be consistent with the integragtion and unit tests

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

.github/workflows/test-external-providers.yml

@@ -5,10 +5,14 @@ on:
     branches: [ main ]
   pull_request:
     branches: [ main ]
-    paths-ignore:
-      - 'docs/**'
-      - 'rfcs/**'
-      - 'scripts/**/'
+    paths:
+      - 'distributions/**'
+      - 'llama_stack/**'
+      - 'tests/integration/**'
+      - 'uv.lock'
+      - 'pyproject.toml'
+      - 'requirements.txt'
+      - '.github/workflows/integration-tests.yml' # This workflow
 
 jobs:
   test-external-providers: