chore(deps): update dependency mkdocstrings-python to v1.1.2 (#75)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [mkdocstrings-python](https://togithub.com/mkdocstrings/python)
([changelog](https://mkdocstrings.github.io/python/changelog)) | `1.1.1`
-> `1.1.2` |
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|
[![adoption](https://badges.renovateapi.com/packages/pypi/mkdocstrings-python/1.1.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/pypi/mkdocstrings-python/1.1.2/compatibility-slim/1.1.1)](https://docs.renovatebot.com/merge-confidence/)
|
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|

---

### Release Notes

<details>
<summary>mkdocstrings/python</summary>

###
[`v1.1.2`](https://togithub.com/mkdocstrings/python/blob/HEAD/CHANGELOG.md#&#8203;112-httpsgithubcommkdocstringspythonreleasestag112---2023-06-04)

[Compare
Source](https://togithub.com/mkdocstrings/python/compare/1.1.1...1.1.2)

<small>[Compare with
1.1.1](https://togithub.com/mkdocstrings/python/compare/1.1.1...1.1.2)</small>

##### Code Refactoring

- Keep headings style consistent (CSS)
([92032e5](https://togithub.com/mkdocstrings/python/commit/92032e561861c3fc4e3fb0c6882bb076d0e6614d)
by Timothée Mazzucotelli).

</details>

---

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