chore(deps): bump the pip-version-updates group across 1 directory with 7 updates

Bumps the pip-version-updates group with 7 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [pytest](https://github.com/pytest-dev/pytest) | `8.4.1` | `8.4.2` |
| [pytest-cov](https://github.com/pytest-dev/pytest-cov) | `6.2.1` | `7.0.0` |
| [tox](https://github.com/tox-dev/tox) | `4.28.0` | `4.30.3` |
| [types-python-dateutil](https://github.com/typeshed-internal/stub_uploader) | `2.9.0.20250708` | `2.9.0.20251008` |
| [mypy](https://github.com/python/mypy) | `1.17.0` | `1.18.2` |
| [python-dotenv](https://github.com/theskumar/python-dotenv) | `1.1.1` | `1.2.1` |
| [ruff](https://github.com/astral-sh/ruff) | `0.12.4` | `0.14.2` |



Updates `pytest` from 8.4.1 to 8.4.2
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.4.1...8.4.2)

Updates `pytest-cov` from 6.2.1 to 7.0.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.2.1...v7.0.0)

Updates `tox` from 4.28.0 to 4.30.3
- [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@4.28.0...4.30.3)

Updates `types-python-dateutil` from 2.9.0.20250708 to 2.9.0.20251008
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

Updates `mypy` from 1.17.0 to 1.18.2
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.17.0...v1.18.2)

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 0.12.4 to 0.14.2
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.12.4...0.14.2)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pip-version-updates
- dependency-name: pytest-cov
  dependency-version: 7.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: pip-version-updates
- dependency-name: tox
  dependency-version: 4.30.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pip-version-updates
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20251008
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pip-version-updates
- dependency-name: mypy
  dependency-version: 1.18.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pip-version-updates
- dependency-name: python-dotenv
  dependency-version: 1.2.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pip-version-updates
- dependency-name: ruff
  dependency-version: 0.14.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pip-version-updates
...

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Author: dependabot[bot]