Bump tornado from 6.0.4 to 6.3.2 (#5040)

Bumps [tornado](https://github.com/tornadoweb/tornado) from 6.0.4 to 6.3.2.
- [Changelog](https://github.com/tornadoweb/tornado/blob/master/docs/releases.rst)
- [Commits](tornadoweb/tornado@v6.0.4...v6.3.2)

---
updated-dependencies:
- dependency-name: tornado
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -44,7 +44,7 @@ tensorboardX<=2.5.0
 tokenizers>=0.8.0
 tomli>=2.0.0
 torchtext==0.15.1
-tornado==6.0.4
+tornado==6.3.2
 tqdm~=4.62.1
 typing-extensions==4.5.0
 Unidecode==1.1.1