chore(deps): update ujson requirement from >=5.8.0 to >=5.12.0

Updates the requirements on [ujson](https://github.com/ultrajson/ultrajson) to permit the latest version.
- [Release notes](https://github.com/ultrajson/ultrajson/releases)
- [Commits](ultrajson/ultrajson@5.8.0...5.12.0)

---
updated-dependencies:
- dependency-name: ujson
  dependency-version: 5.12.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -21,7 +21,7 @@ dependencies = [
     "aiosqlite>=0.19.0",
     "aiocache>=0.12.2",
     "motor>=3.3.2",
-    "ujson>=5.8.0",
+    "ujson>=5.12.0",
     "backoff>=2.2.1",
     "pycryptodome>=3.19.1",
     "cryptography>=42.0.0",