Update docs.yaml

Author: palewire

.github/workflows/docs.yaml

@@ -1,7 +1,8 @@
 name: "Build documentation"
 on:
   push:
-  pull_request:
+    branches:
+      - main
   workflow_dispatch:
 
 jobs:
@@ -26,4 +27,4 @@ jobs:
         aws_secret_access_key: ${{ secrets.PALEWIRE_DOCS_AWS_SECRET_ACCESS_KEY }}
         aws_bucket: ${{ secrets.PALEWIRE_DOCS_AWS_BUCKET }}
         source_dir: docs/_build/html/
-        destination_dir: django-bakery
+        destination_dir: django-bakery