chore(README.md): Fix CI badge (#4340)

Author: jcs090218

README.md

@@ -7,7 +7,7 @@ root_file: README.md
 [![](https://melpa.org/packages/lsp-mode-badge.svg)](https://melpa.org/#/lsp-mode)
 [![](https://stable.melpa.org/packages/lsp-mode-badge.svg)](https://stable.melpa.org/#/lsp-mode)
 [![](https://discordapp.com/api/guilds/789885435026604033/widget.png?style=shield)](https://discord.gg/swuxy5AAgT)
-[![](https://github.com/emacs-lsp/lsp-mode/workflows/CI/badge.svg)](https://github.com/emacs-lsp/lsp-mode/actions?query=workflow%3ACI)
+[![CI](https://github.com/emacs-lsp/lsp-mode/actions/workflows/test.yml/badge.svg)](https://github.com/emacs-lsp/lsp-mode/actions/workflows/test.yml)
 
 <img src="examples/logo.png" width="240" align="right">