Update markupsafe requirement from <2.2.0 to <3.1.0

Updates the requirements on [markupsafe](https://github.com/pallets/markupsafe) to permit the latest version.
- [Release notes](https://github.com/pallets/markupsafe/releases)
- [Changelog](https://github.com/pallets/markupsafe/blob/main/CHANGES.rst)
- [Commits](pallets/markupsafe@0.9...3.0.1)

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

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

requirements.txt

@@ -10,7 +10,7 @@ eth-hash>=0.3.1,<0.8.0
 eth-utils>=2.0.0
 hexbytes<1.3.0
 jinja2>=2.9
-MarkupSafe<2.2.0
+MarkupSafe<3.1.0
 mypy-extensions==1.0.0
 numpy
 persistent>=4.2.0