chore(dependency): revise deps to build docs after release of Sphinx-3.0

Author: oesteban

docs/requirements.txt

@@ -2,13 +2,13 @@ git+https://github.com/AleksandarPetrov/napoleon.git@0dc3f28a309ad602be5f44a9049
 git+https://github.com/rwblair/sphinxcontrib-versioning.git@39b40b0b84bf872fc398feff05344051bbce0f63#egg=sphinxcontrib-versioning
 nbsphinx
 nipype ~= 1.4
-niworkflows ~= 1.1.10
+niworkflows >=1.2.0rc1,<1.3
 packaging
 pydot>=1.2.3
 pydotplus
-smriprep >= 0.6.0rc1
+smriprep >=0.6.0rc2
 sphinx-argparse
-sphinx>=2.1.2
+sphinx >=2.1.2,<3.0
 sphinx_rtd_theme
 sphinxcontrib-apidoc ~= 0.3.0
 templateflow

setup.cfg

@@ -48,7 +48,7 @@ doc =
     packaging
     pydot >= 1.2.3
     pydotplus
-    sphinx >= 2.1.2
+    sphinx >=2.1.2,<3.0
     sphinx-argparse
     sphinx_rtd_theme
     sphinxcontrib-apidoc ~= 0.3.0