point badge to GitHub-Actions-Pipeline

README.md

@@ -1,9 +1,7 @@
 # CICD, Delivery, Compliance and Security Automation for Gardener
 [![REUSE status](https://api.reuse.software/badge/github.com/gardener/cc-utils)](https://api.reuse.software/info/github.com/gardener/cc-utils)
 
-
-![tests](https://concourse.ci.gardener.cloud/api/v1/teams/cicd/pipelines/cc-utils-master/jobs/master-head-update-job/badge?title=tests)
-![release](https://concourse.ci.gardener.cloud/api/v1/teams/cicd/pipelines/cc-utils-master/jobs/master-release_job_image-job/badge?title=build)
+![build](https://github.com/gardener/cc-utils/actions/workflows/build-and-test.yaml/badge.svg)
 
 ![libs](https://badge.fury.io/py/gardener-cicd-libs.svg)