Update build status badge

README.md

@@ -2,8 +2,7 @@
 
 **WIP this is very early work in progress and nothing is yet working.** But don't hesitate to open issues and PRs if you want to help.
 
-![Extension status](https://img.shields.io/badge/status-draft-critical "Not yet working")
-![Github Actions Status](https://github.com/jupyterlab-contrib/search-replace.git/workflows/Build/badge.svg)[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyterlab-contrib/search-replace.git/main?urlpath=lab)
+![Extension status](https://img.shields.io/badge/status-draft-critical "Not yet working")[![Build](https://github.com/jupyterlab-contrib/search-replace/actions/workflows/build.yml/badge.svg)](https://github.com/jupyterlab-contrib/search-replace/actions/workflows/build.yml)[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyterlab-contrib/search-replace.git/main?urlpath=lab)
 
 Search and replace accross files