fix(deps): Update dependency typing_extensions to v4.8.0 (#124)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [typing_extensions](https://togithub.com/python/typing_extensions) ([changelog](https://togithub.com/python/typing_extensions/blob/main/CHANGELOG.md)) | minor | `==4.7.1` -> `==4.8.0` |

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### Release Notes

<details>
<summary>python/typing_extensions (typing_extensions)</summary>

### [`v4.8.0`](https://togithub.com/python/typing_extensions/blob/HEAD/CHANGELOG.md#Release-480-September-17-2023)

[Compare Source](https://togithub.com/python/typing_extensions/compare/4.7.1...4.8.0)

No changes since 4.8.0rc1.

</details>

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aws/cost/postgresql/requirements.txt

@@ -16,5 +16,5 @@ python-dotenv==1.0.0
 pytz==2023.3.post1
 requests==2.31.0
 sortedcontainers==2.4.0
-typing_extensions==4.7.1
+typing_extensions==4.8.0
 urllib3==1.26.16

aws/foundational_security/snowflake/requirements.txt

@@ -16,5 +16,5 @@ pytz==2023.3.post1
 requests==2.31.0
 snowflake-connector-python==3.2.0
 sortedcontainers==2.4.0
-typing_extensions==4.7.1
+typing_extensions==4.8.0
 urllib3==1.26.16