build(deps): bump tornado from 6.1 to 6.3.2 in /Traffic-Sign-Detection

Bumps [tornado](https://github.com/tornadoweb/tornado) from 6.1 to 6.3.2.
- [Changelog](https://github.com/tornadoweb/tornado/blob/master/docs/releases.rst)
- [Commits](tornadoweb/tornado@v6.1.0...v6.3.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Traffic-Sign-Detection/requirements.txt

@@ -112,7 +112,7 @@ terminado==0.9.2
 testpath==0.4.4
 threadpoolctl==2.1.0
 tifffile==2021.2.1
-tornado==6.1
+tornado==6.3.2
 tqdm==4.56.0
 traitlets==5.0.5
 typing-extensions==3.7.4.3