Update README.md

Author: julianrubisch

README.md

@@ -1,6 +1,6 @@
 # express-asset-file-cache-middleware
 
-![Build Status](https://github.com/julianrubisch/express-asset-file-cache-middleware/workflows/.github/workflows/nodejs.yml/badge.svg)
+![Build Status](https://github.com/julianrubisch/express-asset-file-cache-middleware/workflows/Node%20CI/badge.svg)
 
 A modest express.js middleware to locally cache assets (images, videos, audio, etc.) for faster access and proxying, for use in e.g. Electron apps.