Merge pull request #143 from readthedocs/pyup/scheduled-update-2021-08-23

Author: humitos

docs/requirements.txt

@@ -5,9 +5,9 @@
 # https://github.com/sphinx-doc/sphinx/pull/8631
 sphinx==3.4.3  # pyup: <3.5
 
-sphinx-autoapi==1.8.1
+sphinx-autoapi==1.8.4
 sphinx-rtd-theme==0.5.2
-sphinx-tabs==3.0.0
+sphinx-tabs==3.2.0
 sphinx-prompt==1.4.0
 sphinx-version-warning==1.1.2
 sphinx-notfound-page==0.7.1