Fix markup (#111)

Author: porridge

README.md

@@ -1,6 +1,6 @@
 # helm-operator
 
-[![Build Status](https://github.com/operator-framework/helm-operator-plugins/workflows/CI/badge.svg?branch=master)
+![Build Status](https://github.com/operator-framework/helm-operator-plugins/workflows/CI/badge.svg?branch=master)
 [![Coverage Status](https://coveralls.io/repos/github/operator-framework/helm-operator-plugins/badge.svg?branch=master)](https://coveralls.io/github/operator-framework/helm-operator-plugins?branch=master)
 
 Experimental refactoring of the operator-framework's helm operator