Only trigger on source code changes

.github/workflows/build-docs.yml

@@ -2,9 +2,23 @@ name: Build Documentation
 
 on:
   pull_request:
-    branches: [main]
+    branches:
+      - main
+    paths:
+      - '.github/workflows/build-docs.yml'
+      - 'src/**'
+      - 'docs/**'
+      - '*.js'
+      - '*.json'
   push:
-    branches: [main]
+    branches:
+      - main
+    paths:
+      - '.github/workflows/build-docs.yml'
+      - 'src/**'
+      - 'docs/**'
+      - '*.js'
+      - '*.json'
 
 jobs:
   checks: