Build docs hourly - every 30 min is running into race conditions (#2927)

Author: nkammah

catalog-info.yaml

@@ -27,8 +27,8 @@ spec:
       schedules:
         periodic_docs_build:
           branch: "master"
-          message: "Build the docs every 30 minutes"
-          cronline: "*/30 * * * *"
+          message: "Build the docs hourly"
+          cronline: "@hourly"
       teams:
         docs-build-guild:
           access_level: MANAGE_BUILD_AND_READ