Speed up the Sphinx documentation build (#55593) (#56663)

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

(cherry picked from commit 47a440774f)

docs/docsite/_themes/sphinx_rtd_theme/theme.conf

@@ -10,7 +10,7 @@ collapse_navigation = False
 sticky_navigation = True
 navigation_depth = 4
 includehidden = True
-titles_only = 
+titles_only =
 logo_only =
 display_version = True
 prev_next_buttons_location = bottom

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