fix: build shields badge

Author: ellisonleao

README.md

@@ -1,8 +1,9 @@
 # A Neovim Plugin Template
 
-![GitHub Workflow Status](https://img.shields.io/github/workflow/status/ellisonleao/nvim-plugin-template/default?style=for-the-badge)
+![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/ellisonleao/nvim-plugin-template/default.yml?branch=main&style=for-the-badge)
 ![Lua](https://img.shields.io/badge/Made%20with%20Lua-blueviolet.svg?style=for-the-badge&logo=lua)
 
+
 A template repository for Neovim plugins.
 
 ## Using it