Provisioning: Update types (#100722)

* Provisioning: Remove S3

* Provisioning: Use URL for GitHub

Co-Authored-By: Ryan McKinley <ryantxu@gmail.com>
Co-Authored-By: Alex Khomenko <Clarity-89@users.noreply.github.com>

* Provisioning: Use workflow list

Co-Authored-By: =?UTF-8?q?Roberto=20Jim=C3=A9nez=20S=C3=A1nchez?= <roberto.jimenez@grafana.com>

* Provisioning: Model secrets

* Provisioning: Define a total in the job summary

* Provisioning: Generate code

* Provisioning: Update testdata

---------

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>
Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>
Co-authored-by: =?UTF-8?q?Roberto=20Jim=C3=A9nez=20S=C3=A1nchez?= <roberto.jimenez@grafana.com>

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

@@ -9,8 +9,7 @@
         "description": "load resources from github",
         "type": "github",
         "github": {
-            "owner": "grafana",
-            "repository": "git-ui-sync-demo",
+            "url": "https://github.com/grafana/git-ui-sync-demo",
             "branch": "dummy-branch",
             "branchWorkflow": true,
             "generateDashboardPreviews": true,