Update GitHub Workflow to trigger for useful files

.github/workflows/build.yaml

@@ -1,4 +1,12 @@
-on: [push, pull_request, workflow_dispatch]
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - 'ergogen/footprints/*.js'
+      - 'ergogen/config.yaml'
+      - '.github/workflows/*.yaml'
+      - '.github/actions/*/action.yaml'
+      - 'package.json'
 
 name: Build
 jobs: