Build every 1.5 hours (#2928)

Author: nkammah

catalog-info.yaml

@@ -25,10 +25,14 @@ spec:
       provider_settings:
         build_pull_requests: false
       schedules:
-        periodic_docs_build:
+        periodic_docs_build_0:
           branch: "master"
-          message: "Build the docs hourly"
-          cronline: "@hourly"
+          message: "Build the docs every 1.5 hours"
+          cronline: "0 0,3,6,9,12,15,18,21 * * *"
+        periodic_docs_build_1:
+          branch: "master"
+          message: "Build the docs every 1.5 hours"
+          cronline: "30 1,4,7,10,13,16,19,22 * * *"
       teams:
         docs-build-guild:
           access_level: MANAGE_BUILD_AND_READ