chore(deps): update dependency asgiref to v3.8.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
asgiref (changelog)	==3.8.0 -> ==3.8.1

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Release Notes

django/asgiref (asgiref)

### [`v3.8.1`](https://togithub.com/django/asgiref/blob/HEAD/CHANGELOG.txt#381-2024-03-22) [Compare Source](https://togithub.com/django/asgiref/compare/3.8.0...3.8.1) - Fixes a regression in 3.8.0 affecting nested task cancellation inside sync_to_async.

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Configuration

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.15%. Comparing base (8e4b84a) to head (744c742).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #780 +/- ## ======================================= Coverage 97.15% 97.15% ======================================= Files 12 12 Lines 281 281 ======================================= Hits 273 273 Misses 8 8 ```

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