Bump the python-dependencies group with 2 updates (#295)

Updates the requirements on [pydantic-settings](https://github.com/pydantic/pydantic-settings) and [sphinx](https://github.com/sphinx-doc/sphinx) to permit the latest version.

Updates `pydantic-settings` to 2.4.0
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](pydantic/pydantic-settings@v2.3.4...v2.4.0)

Updates `sphinx` to 7.4.7
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v7.4.7/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.1.2...v7.4.7)

---
updated-dependencies:
- dependency-name: pydantic-settings
  dependency-type: direct:production
  dependency-group: python-dependencies
- dependency-name: sphinx
  dependency-type: direct:development
  dependency-group: python-dependencies
...

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

pyproject.toml

@@ -29,7 +29,7 @@ notifier = "quota_notifier.cli:Application.execute"
 
 [tool.poetry.dependencies]
 python = ">=3.9"
-pydantic-settings = "2.3.4"
+pydantic-settings = "2.4.0"
 sqlalchemy = "2.0.31"
 
 [tool.poetry.group.tests]
@@ -42,7 +42,7 @@ coverage = "*"
 optional = true
 
 [tool.poetry.group.docs.dependencies]
-sphinx = "7.1.2"
+sphinx = "7.4.7"
 sphinx-argparse = "0.4.0"
 sphinx-copybutton = "0.5.2"
 sphinx-rtd-theme = "2.0.0"