chore(deps): update dependency tox to v4.30.3 (#865)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [tox](https://redirect.github.com/tox-dev/tox)
([changelog](https://tox.wiki/en/latest/changelog.html)) | `==4.30.2` ->
`==4.30.3` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/tox/4.30.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/tox/4.30.2/4.30.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>tox-dev/tox (tox)</summary>

###
[`v4.30.3`](https://redirect.github.com/tox-dev/tox/releases/tag/4.30.3)

[Compare
Source](https://redirect.github.com/tox-dev/tox/compare/4.30.2...4.30.3)

<!-- Release notes generated using configuration in .github/release.yml
at 4.30.3 -->

#### What's Changed

- Isolate the test suite from any existing `DEFAULT_CONFIG_FILE` file by
[@&#8203;kurtmckee](https://redirect.github.com/kurtmckee) in
[#&#8203;3612](https://redirect.github.com/tox-dev/tox/pull/3612)
- Fix none config file issue 3611 by
[@&#8203;kurtmckee](https://redirect.github.com/kurtmckee) in
[#&#8203;3613](https://redirect.github.com/tox-dev/tox/pull/3613)
- \[pre-commit.ci] pre-commit autoupdate by
[@&#8203;pre-commit-ci](https://redirect.github.com/pre-commit-ci)\[bot]
in [#&#8203;3608](https://redirect.github.com/tox-dev/tox/pull/3608)
- Fix incorrect type annotations in PythonPathPackageWithDeps (fixes
[#&#8203;3607](https://redirect.github.com/tox-dev/tox/issues/3607)) by
[@&#8203;PreistlyPython](https://redirect.github.com/PreistlyPython) in
[#&#8203;3616](https://redirect.github.com/tox-dev/tox/pull/3616)
- \[pre-commit.ci] pre-commit autoupdate by
[@&#8203;pre-commit-ci](https://redirect.github.com/pre-commit-ci)\[bot]
in [#&#8203;3615](https://redirect.github.com/tox-dev/tox/pull/3615)

#### New Contributors

- [@&#8203;PreistlyPython](https://redirect.github.com/PreistlyPython)
made their first contribution in
[#&#8203;3616](https://redirect.github.com/tox-dev/tox/pull/3616)

**Full Changelog**:
<tox-dev/tox@4.30.2...4.30.3>

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/line/line-bot-sdk-python).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xNDMuMSIsInVwZGF0ZWRJblZlciI6IjQxLjE0My4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImRlcGVuZGVuY3kgdXBncmFkZSJdfQ==-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements-dev.txt

@@ -1,6 +1,6 @@
 -r requirements.txt
 -r requirements-test.txt
-tox==4.30.2
+tox==4.30.3
 wheel==0.46.1
 Sphinx==7.4.7
 sphinx-rtd-theme==3.0.2