Update dependency typing-extensions to v4.7.0 (#246)

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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))
| `==4.6.3` -> `==4.7.0` |
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|
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|
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|
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|

---

### Release Notes

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

###
[`v4.7.0`](https://togithub.com/python/typing_extensions/blob/HEAD/CHANGELOG.md#Release-470-June-28-2023)

[Compare
Source](https://togithub.com/python/typing_extensions/compare/4.6.3...4.7.0)

- This is expected to be the last feature release supporting Python 3.7,
which reaches its end of life on June 27, 2023. Version 4.8.0 will
support
    only Python 3.8.0 and up.
- Fix bug where a `typing_extensions.Protocol` class that had one or
more
    non-callable members would raise `TypeError` when `issubclass()`
was called against it, even if it defined a custom `__subclasshook__`
method. The correct behaviour -- which has now been restored -- is not
to
raise `TypeError` in these situations if a custom `__subclasshook__`
method
is defined. Patch by Alex Waygood
(backport[https://github.com/python/cpython/pull/105976](https://togithub.com/python/cpython/pull/105976)l/105976).

</details>

---

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requirements.txt

@@ -19,7 +19,7 @@ PyYAML==6.0
 ruff==0.0.275
 types-aiofiles==23.1.0.4
 types-PyYAML==6.0.12.10
-typing-extensions==4.6.3
+typing-extensions==4.7.0
 types-python-slugify==8.0.0.2
 wheel==0.40.0
 yamllint==1.32.0