docs: update readme ci badge to new ci system (#134)

Author: aaron-steinfeld

README.md

@@ -1,6 +1,6 @@
 # Hyperdash Angular
 
-[![CircleCI](https://circleci.com/gh/hypertrace/hyperdash-angular.svg?style=shield)](https://circleci.com/gh/hypertrace/hyperdash-angular)
+![build-and-test](https://github.com/hypertrace/hyperdash-angular/workflows/build-and-test/badge.svg)
 [![codecov](https://codecov.io/gh/hypertrace/hyperdash-angular/branch/main/graph/badge.svg)](https://codecov.io/gh/hypertrace/hyperdash-angular)
 
 ## Prerequisites