Pin Sphinx to 2.4.4 (take 2), fix docs CIs (#36072)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/36072
Update to https://github.com/pytorch/pytorch/pull/36065/ which was
almost there
Test Plan: - Wait for CI
Differential Revision: D20871661
Pulled By: zou3519
fbshipit-source-id: 2bf5ce382e879aafd232700ff1c0d61fc17ea52d