docs(README): fixed broken url for GitHub Actions documentation

Author: bartdorlandt

README.md

@@ -4,7 +4,7 @@ This GitHub Action runs `semantic-release publish` using
 [`python-semantic-release`](https://pypi.org/project/python-semantic-release/).
 
 Full usage information and examples for this GitHub Action is hosted on
-[Python Semantic Release - ReadTheDocs](https://python-semantic-release.readthedocs.io/en/latest/automatic-releases/github-actions.html)
+[Python Semantic Release - ReadTheDocs](https://python-semantic-release.readthedocs.io/en/stable/configuration/automatic-releases/github-actions.html#gh-actions-publish)
 website.
 
 > **WARNING**: This Action is intended to be used in conjunction with Python