Chore badge update

Author: oprypin

README.md

@@ -4,7 +4,7 @@
 
 [![PyPI](https://img.shields.io/pypi/v/mkdocs-section-index)](https://pypi.org/project/mkdocs-section-index/)
 [![GitHub](https://img.shields.io/github/license/oprypin/mkdocs-section-index)](https://github.com/oprypin/mkdocs-section-index/blob/master/LICENSE.md)
-[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/oprypin/mkdocs-section-index/CI)](https://github.com/oprypin/mkdocs-section-index/actions?query=event%3Apush+branch%3Amaster)
+[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/oprypin/mkdocs-section-index/ci.yml.svg)](https://github.com/oprypin/mkdocs-section-index/actions?query=event%3Apush+branch%3Amaster)
 
 ```shell
 pip install mkdocs-section-index