Speed up the Sphinx documentation build (#55593) (#56662)

* speeds up the docs build by changing the navigation collapse setting

(cherry picked from commit 47a440774f)

docs/docsite/rst/conf.py

@@ -129,6 +129,7 @@ html_short_title = 'Ansible Documentation'
 
 html_theme_options = {
     'canonical_url': "https://docs.ansible.com/ansible/latest/",
+    'collapse_navigation': "True"
 }
 
 # The style sheet to use for HTML and HTML Help pages. A file of that name