Update dependency pytest-mock to v3.12.0 (#280)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pytest-mock](https://github.com/pytest-dev/pytest-mock)
([changelog](https://pytest-mock.readthedocs.io/en/latest/changelog.html))
| `==3.11.1` -> `==3.12.0` |
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|
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|
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|
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|

---

### Release Notes

<details>
<summary>pytest-dev/pytest-mock (pytest-mock)</summary>

###
[`v3.12.0`](https://github.com/pytest-dev/pytest-mock/blob/HEAD/CHANGELOG.rst#3120-2023-10-19)

[Compare
Source](https://github.com/pytest-dev/pytest-mock/compare/v3.11.1...v3.12.0)

-   Added support for Python 3.12.
-   Dropped support for EOL Python 3.7.
- `mocker.resetall()` now also resets mocks created by
`mocker.create_autospec` (`#390`\_).

..
\_#390:[https://github.com/pytest-dev/pytest-mock/pull/390](https://github.com/pytest-dev/pytest-mock/pull/390)0

</details>

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requirements_dev.txt

@@ -11,7 +11,7 @@ pytest-aiohttp==1.0.5
 pytest-asyncio==0.21.1
 pytest-cov==4.1.0
 pytest-golden==0.2.2
-pytest-mock==3.11.1
+pytest-mock==3.12.0
 python-dateutil==2.8.2
 requests==2.31.0
 requests-mock==1.11.0