Bump ujson from 3.1.0 to 5.4.0

Bumps [ujson](https://github.com/ultrajson/ultrajson) from 3.1.0 to 5.4.0.
- [Release notes](https://github.com/ultrajson/ultrajson/releases)
- [Commits](https://github.com/ultrajson/ultrajson/compare/3.1.0...5.4.0)

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

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

requirements.txt

@@ -60,7 +60,7 @@ toml==0.10.1
 torpy==1.1.3
 typed-ast==1.4.1
 u-msgpack-python==2.7.0
-ujson==3.1.0
+ujson==5.4.0
 urllib3==1.25.10
 utm==0.6.0
 watchdog==0.10.3