Bump tornado from 6.4.2 to 6.5.1

Bumps [tornado](https://github.com/tornadoweb/tornado) from 6.4.2 to 6.5.1.
- [Changelog](https://github.com/tornadoweb/tornado/blob/master/docs/releases.rst)
- [Commits](tornadoweb/tornado@v6.4.2...v6.5.1)

---
updated-dependencies:
- dependency-name: tornado
  dependency-version: 6.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -15,7 +15,7 @@ pycodestyle==2.13.0
 importlib_metadata<8.8
 zipp==3.21.0  # for flake8
 flake8==7.2.0
-tornado==6.4.2
+tornado==6.5.1
 beautifulsoup4==4.13.4
 soupsieve==2.7
 cssselect==1.3.0