Fix local playbook (#463)

This was a temporary branch to preview the docs

Author: JakeSCahill

local-antora-playbook.yml

@@ -15,7 +15,7 @@ content:
   - url: .
     branches: HEAD
   - url: https://github.com/redpanda-data/documentation
-    branches: [config-automation, v/*, shared, site-search]
+    branches: [main, v/*, shared, site-search]
   - url: https://github.com/redpanda-data/docs-site
     branches: [main]
     start_paths: [home]