fix build badge

Author: marhali

README.md

@@ -1,5 +1,5 @@
 # json5-java 
-[![Build](https://img.shields.io/github/workflow/status/marhali/json5-java/Maven%20CD)](https://github.com/marhali/json5-java/actions)
+[![Build](https://img.shields.io/github/actions/workflow/status/marhali/json5-java/cd.yml?branch=main)](https://github.com/marhali/json5-java/actions)
 [![JavaDoc](https://javadoc.io/badge2/de.marhali/json5-java/javadoc.svg)](https://javadoc.io/doc/de.marhali/json5-java)
 [![Coverage](https://img.shields.io/codecov/c/github/marhali/json5-java)](https://codecov.io/gh/marhali/json5-java)
 [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://paypal.me/marhalide)
@@ -95,4 +95,4 @@ For a detailed explanation see the [Json5Options](src/main/java/de/marhali/json5
 ## License
 This library is released under the [Apache 2.0 license](LICENSE).
 
-Partial parts of the project are based on [GSON](https://github.com/google/gson) and [Synt4xErr0r4 / json5](https://github.com/Synt4xErr0r4/json5). The affected classes contain the respective license notice. 
+Partial parts of the project are based on [GSON](https://github.com/google/gson) and [Synt4xErr0r4 / json5](https://github.com/Synt4xErr0r4/json5). The affected classes contain the respective license notice.