Bump tornado from 6.4.1 to 6.4.2 in /lib/galaxy/dependencies

Bumps [tornado](https://github.com/tornadoweb/tornado) from 6.4.1 to 6.4.2.
- [Changelog](https://github.com/tornadoweb/tornado/blob/v6.4.2/docs/releases.rst)
- [Commits](tornadoweb/tornado@v6.4.1...v6.4.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

lib/galaxy/dependencies/pinned-requirements.txt

@@ -195,7 +195,7 @@ text-unidecode==1.3
 tifffile==2023.7.10
 tinydb==4.8.2
 tomli==2.1.0 ; python_full_version < '3.11'
-tornado==6.4.1
+tornado==6.4.2
 tqdm==4.67.0
 tuspy==1.0.3
 tuswsgi==0.5.5