Update fastjsonschema requirement (#539)

Updates the requirements on [fastjsonschema](https://github.com/horejsek/python-fastjsonschema) to permit the latest version.
- [Changelog](https://github.com/horejsek/python-fastjsonschema/blob/master/CHANGELOG.txt)
- [Commits](horejsek/python-fastjsonschema@v2.19.1...v2.21.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -21,7 +21,7 @@ dependencies = [
   "requests>=2.31,<2.33",
   "fastapi==0.115.6", # move to extra?
   "uvicorn==0.32.1", # move to extra?
-  "fastjsonschema>=2.19.1,<2.21.0",
+  "fastjsonschema>=2.19.1,<2.22.0",
   "fastparquet==2024.5.0",
   "python-multipart==0.0.19",
   "rich>=13.7,<13.10",