Fix failing doc build on CI due to sphinx version (#1614)

Summary:
By pinning all doc build dependencies like https://github.com/pytorch/pytorch/blob/main/.ci/docker/requirements-docs.txt

Pull Request resolved: #1614

Reviewed By: digantdesai

Differential Revision: D52825596

Pulled By: huydhn

fbshipit-source-id: 92ff5f97e1a7d4096103c441a4e2c23f4433400c

Author: huydhn

.ci/docker/requirements-ci.txt

@@ -14,15 +14,15 @@ expecttest==0.1.6
 hypothesis==6.84.2
 parameterized==0.9.0
 
-# Doc build requirements
-sphinx==4.5.0
-sphinx-gallery
-breathe==4.35.0
-exhale==0.3.6
+# Doc build requirements, same as https://github.com/pytorch/pytorch/blob/main/.ci/docker/requirements-docs.txt
+sphinx==5.3.0
+sphinx-gallery==0.14.0
+breathe==4.34.0
+exhale==0.2.3
 docutils==0.16
-matplotlib
+matplotlib==3.7.2
 # PyTorch Theme
 -e git+https://github.com/pytorch/pytorch_sphinx_theme.git#egg=pytorch_sphinx_theme
-myst-parser
-sphinx_design
-sphinx-copybutton
+myst-parser==0.18.1
+sphinx_design==0.4.1
+sphinx-copybutton==0.5.0