[FEATURE] Support for Grafana V12 dashboards

[safaci2000]

With V12 a new schema was introduced.

https://grafana.com/whats-new/2025-04-11-new-dashboards-schema/

and a new API

https://grafana.com/whats-new/2025-05-05-new-dashboard-apis-released-as-experimental/

[HaveF]

and I aware that the similar feature in V12, git-sync-for-grafana-dashboards

[csg33k]

Yup, that looks pretty slick. I'm curious how many resource types they're going to support for that. For Dashboards, with the PR integration... that's really cool.

I wonder if you can say point to a tag for prod and main for staging. Either way a very slick feature.

[safaci2000]

dashboardNewLayouts feature flag seems to introduce a breaking change on grafana 12.