[Task]: Unify pipeline develop and main config (#602)

* use system-queried branch value rather than hardcoding it

Author: aimalkhan

pipeline/azure-pipelines.yml

@@ -4,7 +4,7 @@ resources:
       connection: ckan_ontario_theme_Webhook_SC
       filters:
         - path: ref
-          value: "refs/heads/develop"
+          value: "refs/heads/$(Build.SourceBranchName)"
   repositories:  
   - repository: ods-edc-qa-automation
     type: git