docs: fix build shield in README

Author: Spark-NF

README.md

@@ -1,7 +1,7 @@
 # Twitter media downloader
 
 [![GitHub issues](https://img.shields.io/github/issues/Spark-NF/twitter_media_downloader.svg)](https://github.com/Spark-NF/twitter_media_downloader/issues)
-[![Build status](https://img.shields.io/github/workflow/status/Spark-NF/twitter_media_downloader/Python)](https://github.com/Spark-NF/twitter_media_downloader/actions)
+[![Build status](https://img.shields.io/github/actions/workflow/status/Spark-NF/twitter_media_downloader/python.yml?branch=main)](https://github.com/Spark-NF/twitter_media_downloader/actions)
 [![Code Coverage](https://img.shields.io/codecov/c/github/Spark-NF/twitter_media_downloader.svg)](https://codecov.io/gh/Spark-NF/twitter_media_downloader)
 [![Project license](https://img.shields.io/github/license/Spark-NF/twitter_media_downloader.svg)](https://raw.githubusercontent.com/Spark-NF/twitter_media_downloader/develop/LICENSE)