chore(deps): bump the uv-version-updates group across 1 directory with 9 updates

Bumps the uv-version-updates group with 9 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [authlib](https://github.com/authlib/authlib) | `1.6.6` | `1.6.7` |
| [tox](https://github.com/tox-dev/tox) | `4.32.0` | `4.34.1` |
| [types-python-dateutil](https://github.com/typeshed-internal/stub_uploader) | `2.9.0.20251115` | `2.9.0.20260124` |
| [testcontainers](https://github.com/testcontainers/testcontainers-python) | `3.7.1` | `4.14.1` |
| [python-dotenv](https://github.com/theskumar/python-dotenv) | `1.1.1` | `1.2.1` |
| [ruff](https://github.com/astral-sh/ruff) | `0.14.10` | `0.15.0` |
| [sphinx](https://github.com/sphinx-doc/sphinx) | `7.4.7` | `8.1.3` |
| [fawltydeps](https://github.com/tweag/FawltyDeps) | `0.19.0` | `0.20.0` |
| [ty](https://github.com/astral-sh/ty) | `0.0.5` | `0.0.16` |



Updates `authlib` from 1.6.6 to 1.6.7
- [Release notes](https://github.com/authlib/authlib/releases)
- [Changelog](https://github.com/authlib/authlib/blob/main/docs/changelog.rst)
- [Commits](authlib/authlib@v1.6.6...v1.6.7)

Updates `tox` from 4.32.0 to 4.34.1
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](tox-dev/tox@4.32.0...4.34.1)

Updates `types-python-dateutil` from 2.9.0.20251115 to 2.9.0.20260124
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

Updates `testcontainers` from 3.7.1 to 4.14.1
- [Release notes](https://github.com/testcontainers/testcontainers-python/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-python/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-python@v3.7.1...testcontainers-v4.14.1)

Updates `python-dotenv` from 1.1.1 to 1.2.1
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.1.1...v1.2.1)

Updates `ruff` from 0.14.10 to 0.15.0
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.14.10...0.15.0)

Updates `sphinx` from 7.4.7 to 8.1.3
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v8.1.3/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.4.7...v8.1.3)

Updates `fawltydeps` from 0.19.0 to 0.20.0
- [Release notes](https://github.com/tweag/FawltyDeps/releases)
- [Commits](tweag/FawltyDeps@v0.19.0...v0.20.0)

Updates `ty` from 0.0.5 to 0.0.16
- [Release notes](https://github.com/astral-sh/ty/releases)
- [Changelog](https://github.com/astral-sh/ty/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ty@0.0.5...0.0.16)

---
updated-dependencies:
- dependency-name: authlib
  dependency-version: 1.6.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: uv-version-updates
- dependency-name: tox
  dependency-version: 4.34.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: uv-version-updates
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20260124
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: uv-version-updates
- dependency-name: testcontainers
  dependency-version: 4.14.1
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: uv-version-updates
- dependency-name: python-dotenv
  dependency-version: 1.2.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: uv-version-updates
- dependency-name: ruff
  dependency-version: 0.15.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: uv-version-updates
- dependency-name: sphinx
  dependency-version: 8.1.3
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: uv-version-updates
- dependency-name: fawltydeps
  dependency-version: 0.20.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: uv-version-updates
- dependency-name: ty
  dependency-version: 0.0.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: uv-version-updates
...

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

Author: dependabot[bot]

pyproject.toml

@@ -34,11 +34,11 @@ dev = [
   "pytest-cov>=2.8.1",
   "tox>=3.9.0",
   "types-python-dateutil>=2.8.19.14",
-  "testcontainers==3.7.1",
-  "python-dotenv==1.1.1",
+  "testcontainers==4.14.1",
+  "python-dotenv==1.2.1",
   "ruff>=0.12.4",
-  "sphinx==7.4.7",
-  "fawltydeps==0.19.0",
+  "sphinx==8.1.3",
+  "fawltydeps==0.20.0",
   "ty>=0.0.4",
 ]