update readme badge

Author: bryanmacfarlane

README.md

@@ -1,6 +1,6 @@
 
 <p align="center">
-  <a href="https://github.com/actions/javascript-action"><img alt="GitHub Actions status" src="https://github.com/actions/javascript-action/workflows/test-local/badge.svg"></a>
+  <a href="https://github.com/actions/javascript-action/actions"><img alt="javscript-action status" src="https://github.com/actions/javascript-action/workflows/units-test/badge.svg"></a>
 </p>
 
 # Create a JavaScript Action