[Prototyping] Github Spec to allow push to main or force to use pull requests (#97001)

* Change to have workflows

* Update Frontend

* Run generation

* Add openapi file

* Revert unexpected changes

* Add enum

* Add description to workflows

* Add mapper function to please ESLint

* Remove pull request option

* Remove leftovers

* Configure sync interval in frontend

* Address most comments

* Regenerate client

* Fix compile issue

* Update WorkflowOption type

---------

Co-authored-by: Clarity-89 <homes89@ukr.net>

pkg/tests/apis/provisioning/testdata/github-example.json

@@ -18,9 +18,9 @@
             "owner": "grafana",
             "repository": "git-ui-sync-demo",
             "branch": "dummy-branch",
-            "branchWorkflow": true,
+            "workflows": ["push", "branch"],
             "generateDashboardPreviews": true,
             "token": "github_pat_dummy"
         }
     }
-}
+}