Bump ujson from 1.35 to 2.0.1

Bumps [ujson](https://github.com/ultrajson/ultrajson) from 1.35 to 2.0.1.
- [Release notes](https://github.com/ultrajson/ultrajson/releases)
- [Commits](ultrajson/ultrajson@v1.35...2.0.1)

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

requirements.txt

@@ -33,7 +33,7 @@ simplejson==3.17.0
 six==1.14.0
 transaction==3.0.0
 translationstring==1.3
-ujson==1.35
+ujson==2.0.1
 urllib3==1.25.8
 venusian==3.0.0
 waitress==1.4.3