Bump ujson from 3.0.0 to 3.1.0

Bumps [ujson](https://github.com/ultrajson/ultrajson) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/ultrajson/ultrajson/releases)
- [Commits](ultrajson/ultrajson@3.0.0...3.1.0)

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

requirements.txt

@@ -1,3 +1,3 @@
 requests<2.25.0
 ciso8601==2.1.3; sys_platform == 'darwin' or sys_platform == 'linux'
-ujson==3.0.0; sys_platform == 'darwin' or sys_platform == 'linux'
+ujson==3.1.0; sys_platform == 'darwin' or sys_platform == 'linux'