33507_drone_badge: Replace CircleCI badge in readme with drone badge (#33649)

* 3507_drone_badge: Replace CircleCI badge in readme with drone badge

* 33507_drone_badge: Fix the url for the build

README.md

@@ -3,7 +3,7 @@
 The open-source platform for monitoring and observability.
 
 [![License](https://img.shields.io/github/license/grafana/grafana)](LICENSE)
-[![Circle CI](https://img.shields.io/circleci/build/gh/grafana/grafana)](https://circleci.com/gh/grafana/grafana)
+[![Drone](https://drone.grafana.net/api/badges/grafana/grafana/status.svg)](https://drone.grafana.net/grafana/grafana)
 [![Go Report Card](https://goreportcard.com/badge/github.com/grafana/grafana)](https://goreportcard.com/report/github.com/grafana/grafana)
 
 Grafana allows you to query, visualize, alert on and understand your metrics no matter where they are stored. Create, explore, and share dashboards with your team and foster a data driven culture: