Update README.md

Author: chris1111

README.md

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 # CloverBootloader 
-[![Github Actions](https://github.com/CloverHackyColor/CloverBootloader/actions/workflows/main.yml/badge.svg?branch=master)](https://github.com/CloverHackyColor/CloverBootloader/actions)
+[![CI](https://github.com/CloverHackyColor/CloverBootloader/actions/workflows/main.yml/badge.svg)](https://github.com/CloverHackyColor/CloverBootloader/actions/workflows/main.yml)
 
 Bootloader for macOS, Windows and Linux in UEFI and in legacy mode
 ### Read the DOC [Clover-Documentation](https://github.com/CloverHackyColor/Clover-Documentation) / [Clover-Documentation Site](https://cloverhackycolor.github.io/Clover-Documentation/)