Update dependency mkdocs to v1.6.1 (#13199)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [mkdocs](https://redirect.github.com/mkdocs/mkdocs)
([changelog](https://www.mkdocs.org/about/release-notes/)) | `==1.6.0`
-> `==1.6.1` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/mkdocs/1.6.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/mkdocs/1.6.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/mkdocs/1.6.0/1.6.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/mkdocs/1.6.0/1.6.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>mkdocs/mkdocs (mkdocs)</summary>

###
[`v1.6.1`](https://redirect.github.com/mkdocs/mkdocs/releases/tag/1.6.1)

[Compare
Source](https://redirect.github.com/mkdocs/mkdocs/compare/1.6.0...1.6.1)

### Version 1.6.1 (Friday 30th August, 2024)

##### Fixed

- Fix build error when environment variable `SOURCE_DATE_EPOCH=0` is
set.
[#&#8203;3795](https://redirect.github.com/mkdocs/mkdocs/issues/3795)
- Fix build error when `mkdocs_theme.yml` config is empty.
[#&#8203;3700](https://redirect.github.com/mkdocs/mkdocs/issues/3700)
- Support `python -W` and `PYTHONWARNINGS` instead of overriding the
configuration.
[#&#8203;3809](https://redirect.github.com/mkdocs/mkdocs/issues/3809)
- Support running with Docker under strict mode, by removing `0.0.0.0`
dev server warning.
[#&#8203;3784](https://redirect.github.com/mkdocs/mkdocs/issues/3784)
- Drop unnecessary `changefreq` from `sitemap.xml`.
[#&#8203;3629](https://redirect.github.com/mkdocs/mkdocs/issues/3629)
- Fix JavaScript console error when closing menu dropdown.
[#&#8203;3774](https://redirect.github.com/mkdocs/mkdocs/issues/3774)
- Fix JavaScript console error that occur on repeated clicks.
[#&#8203;3730](https://redirect.github.com/mkdocs/mkdocs/issues/3730)
- Fix JavaScript console error that can occur on dropdown selections.
[#&#8203;3694](https://redirect.github.com/mkdocs/mkdocs/issues/3694)

##### Added

- Added translations for Dutch.
[#&#8203;3804](https://redirect.github.com/mkdocs/mkdocs/issues/3804)
- Added and updated translations for Chinese (Simplified).
[#&#8203;3684](https://redirect.github.com/mkdocs/mkdocs/issues/3684)

</details>

---

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docs/requirements-insiders.txt

@@ -1,6 +1,6 @@
 PyYAML==6.0.2
 ruff==0.6.3
-mkdocs==1.6.0
+mkdocs==1.6.1
 mkdocs-material @ git+ssh://git@github.com/astral-sh/mkdocs-material-insiders.git@38c0b8187325c3bab386b666daf3518ac036f2f4
 mkdocs-redirects==1.2.1
 mdformat==0.7.17

docs/requirements.txt

@@ -1,6 +1,6 @@
 PyYAML==6.0.2
 ruff==0.6.3
-mkdocs==1.6.0
+mkdocs==1.6.1
 mkdocs-material==9.1.18
 mkdocs-redirects==1.2.1
 mdformat==0.7.17