Merge branch 'renovate/docutils-0.x' into 'master'

Update dependency docutils to v0.17.1

See merge request openappstack/openappstack!528

docs/requirements.txt

@@ -14,7 +14,7 @@ charset-normalizer==2.0.4
     # via requests
 commonmark==0.9.1
     # via recommonmark
-docutils==0.16
+docutils==0.17.1
     # via
     #   recommonmark
     #   sphinx