change ci badge

Author: zebrajaeger

README.md

@@ -1,6 +1,6 @@
 # 1. ESP32 LED Dimmer
 
-[![Actions Status](https://github.com/zebrajaeger/esp32-led-dimmer/workflows/CI/badge.svg)](https://github.com/zebrajaeger/esp32-led-dimmer/workflows/CI/badge.svg?branch=master)
+![GitHub Workflow Status](https://img.shields.io/github/workflow/status/zebrajaeger/esp32-led-dimmer/CI)
 [![License: LGPL v3](https://img.shields.io/badge/License-LGPL%20v3-blue.svg)](https://www.gnu.org/licenses/lgpl-3.0)
 ![PlatformIO](https://img.shields.io/badge/PlatformIO-Community-orange.svg)