[INTERNAL] CI: Fixes Weekend rolling build at 2 hour cadence (#4751)

[INTERNAL] CI: Fixes weekend rolling build at 2 hour cadence
Weekend cadence of every 2 hours, helps measuring pipeline reliability

azure-pipelines-rolling.yml

@@ -4,8 +4,14 @@ trigger: none
 pr: none
 
 schedules:
-- cron: "0 7,13,0,5 * * *" # cron syntax https://learn.microsoft.com/en-us/azure/devops/pipelines/process/scheduled-triggers?view=azure-devops&tabs=yaml#cron-syntax
-  displayName: Cosmos Rolling
+- cron: "0 7,13,0,5 * * 1,2,3,4,5" # cron syntax https://learn.microsoft.com/en-us/azure/devops/pipelines/process/scheduled-triggers?view=azure-devops&tabs=yaml#cron-syntax
+  displayName: Cosmos Weekly Rolling
+  branches:
+    include: 
+    - master
+  always: true # whether to always run the pipeline or only if there have been source code changes since the last run. The default is false
+- cron: "0 0/2 * * 0,6" # cron syntax https://learn.microsoft.com/en-us/azure/devops/pipelines/process/scheduled-triggers?view=azure-devops&tabs=yaml#cron-syntax
+  displayName: Cosmos Weekly Rolling
   branches:
     include: 
     - master