Update the theme hash (#3555)

- This should fix the 404.html issue

Author: svekars

.ci/docker/requirements.txt

@@ -16,7 +16,7 @@ pandocfilters==1.5.1
 markdown==3.8.2
 
 # PyTorch Theme
--e git+https://github.com/pytorch/pytorch_sphinx_theme.git@e0cbfaf789a51899859f2c7626e0ad3a78ad4c2e#egg=pytorch_sphinx_theme2
+-e git+https://github.com/pytorch/pytorch_sphinx_theme.git@67aa61448e33cae9a345e012be355f8030d3c4f5#egg=pytorch_sphinx_theme2
 
 # Tutorial dependencies
 tqdm==4.66.1