chore(deps): update dependency typing-extensions to v4.12.1 (#699)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [typing-extensions](https://togithub.com/python/typing_extensions)
([changelog](https://togithub.com/python/typing_extensions/blob/main/CHANGELOG.md))
| `==4.12.0` -> `==4.12.1` |
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|
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|
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---

### Release Notes

<details>
<summary>python/typing_extensions (typing-extensions)</summary>

###
[`v4.12.1`](https://togithub.com/python/typing_extensions/blob/HEAD/CHANGELOG.md#Release-4121-June-1-2024)

[Compare
Source](https://togithub.com/python/typing_extensions/compare/4.12.0...4.12.1)

-   Preliminary changes for compatibility with the draft implementation
    of PEP 649 in Python 3.14. Patch by Jelle Zijlstra.
-   Fix regression in v4.12.0 where nested `Annotated` types would cause
`TypeError` to be raised if the nested `Annotated` type had unhashable
    metadata. Patch by Alex Waygood.

</details>

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requirements_dev.txt

@@ -19,7 +19,7 @@ python-slugify==8.0.4
 PyYAML==6.0.1
 types-aiofiles==23.2.0.20240403
 types-PyYAML==6.0.12.20240311
-typing-extensions==4.12.0
+typing-extensions==4.12.1
 types-python-slugify==8.0.2.20240310
 yamllint==1.35.1
 syrupy==4.6.1