fixup GitHub CI badge

Author: tomato42

README.md

@@ -1,6 +1,6 @@
 tlslite-ng version 0.8.0 (2024-12-17)
 
-[![Build Status](https://github.com/tlsfuzzer/tlslite-ng/workflows/GitHub%20CI/badge.svg?branch=master)](https://github.com/tlsfuzzer/tlslite-ng/actions?query=workflow%3A%22GitHub+CI%22+branch%3Amaster)
+[![GitHub CI](https://github.com/tlsfuzzer/tlslite-ng/actions/workflows/ci.yml/badge.svg)](https://github.com/tlsfuzzer/tlslite-ng/actions/workflows/ci.yml)
 [![Read the Docs](https://img.shields.io/readthedocs/tlslite-ng)](https://tlslite-ng.readthedocs.io/en/latest/)
 [![Coverage Status](https://coveralls.io/repos/tlsfuzzer/tlslite-ng/badge.svg?branch=master)](https://coveralls.io/r/tlsfuzzer/tlslite-ng?branch=master)
 [![Code Climate](https://codeclimate.com/github/tlsfuzzer/tlslite-ng/badges/gpa.svg)](https://codeclimate.com/github/tlsfuzzer/tlslite-ng)