Add in-cluster gitea config (upstream repo url)

This upstream configuration is needed for rhdp deploy since we do not want to fork the
repo.

Author: darkdoc

values-global.yaml

@@ -10,3 +10,6 @@ main:
   multiSourceConfig:
     enabled: true
     clusterGroupChartVersion: "0.9.*"
+  git:
+    repoUpstreamURL: https://github.com/validatedpatterns/multicloud-gitops
+    revision: rhdp-deploy