chore(deps): update dependency tox to v4.54.0 (#1002)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [tox](https://redirect.github.com/tox-dev/tox)
([changelog](https://tox.wiki/en/latest/changelog.html)) | `==4.53.1` →
`==4.54.0` |
![age](https://developer.mend.io/api/mc/badges/age/pypi/tox/4.54.0?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/tox/4.53.1/4.54.0?slim=true)
|

---

### Release Notes

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

###
[`v4.54.0`](https://redirect.github.com/tox-dev/tox/releases/tag/4.54.0)

[Compare
Source](https://redirect.github.com/tox-dev/tox/compare/4.53.1...4.54.0)

<!-- Release notes generated using configuration in .github/release.yaml
at 4.54.0 -->

#### What's Changed

- 🧪 test(conftest): strip broken nspkg.pth files under py3.15 by
[@&#8203;gaborbernat](https://redirect.github.com/gaborbernat) in
[#&#8203;3937](https://redirect.github.com/tox-dev/tox/pull/3937)
- ✨ feat(packaging): declare tox.pytest deps via a testing extra by
[@&#8203;gaborbernat](https://redirect.github.com/gaborbernat) in
[#&#8203;3940](https://redirect.github.com/tox-dev/tox/pull/3940)
- 🐛 fix(schema): cover every replace form in the TOML schema by
[@&#8203;gaborbernat](https://redirect.github.com/gaborbernat) in
[#&#8203;3941](https://redirect.github.com/tox-dev/tox/pull/3941)

**Full Changelog**:
<tox-dev/tox@4.53.1...4.54.0>

</details>

---

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---

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requirements-dev.txt

@@ -1,7 +1,7 @@
 -r requirements.txt
 -r requirements-test.txt
-tox==4.53.1 ; python_version >= "3.10"
-tox==4.53.1 ; python_version < "3.10"
+tox==4.54.0 ; python_version >= "3.10"
+tox==4.54.0 ; python_version < "3.10"
 wheel==0.47.0
 Sphinx==9.0.4 ; python_version >= "3.11"
 Sphinx==7.4.7 ; python_version < "3.11"