Update pydantic requirement from 1.10.9 to 2.0

Updates the requirements on [pydantic](https://github.com/pydantic/pydantic) to permit the latest version.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v1.10.9...v2.0)

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

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

pyproject.toml

@@ -28,7 +28,7 @@ notifier = "quota_notifier.cli:Application.execute"
 
 [tool.poetry.dependencies]
 python = ">=3.8"
-pydantic = "1.10.9"
+pydantic = "2.0"
 sqlalchemy = "2.0.15"
 
 [tool.poetry.group.tests]