docs: update Build badge

Author: 0xbrayo

README.md

@@ -1,5 +1,5 @@
 # Activitywatch watcher for last.fm
-[![Build](https://github.com/brayo-pip/aw-watcher-lastfm/actions/workflows/rust.yml/badge.svg?branch=main)](https://github.com/brayo-pip/aw-watcher-lastfm/actions/workflows/rust.yml) [![dependency status](https://deps.rs/repo/github/0xbrayo/aw-watcher-lastfm/status.svg)](https://deps.rs/repo/github/0xbrayo/aw-watcher-lastfm)
+[![Build](https://github.com/brayo-pip/aw-watcher-lastfm/actions/workflows/build.yml/badge.svg?branch=main)](https://github.com/brayo-pip/aw-watcher-lastfm/actions/workflows/build.yml) [![dependency status](https://deps.rs/repo/github/0xbrayo/aw-watcher-lastfm/status.svg)](https://deps.rs/repo/github/0xbrayo/aw-watcher-lastfm)
 
 This is a simple activitywatch watcher for last.fm scrobble data. It uses the last.fm API to fetch scrobbles and sends them to the activitywatch server.