docs: use git-cliff generated changelog in the docs (#461)

Co-authored-by: Jindřich Bär <[email protected]>

Author: vdusek

website/docusaurus.config.js

@@ -40,6 +40,7 @@ module.exports = {
         [
             '@apify/docs-theme',
             {
+                changelogFromRoot: true,
                 subNavbar: {
                     title: 'API Client for Python',
                     items: [