chore(deps): update rust crate sans-io-runtime to v0.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
sans-io-runtime	workspace.dependencies	patch	0.2.0 -> 0.2.1

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Release Notes

8xFF/sans-io-runtime (sans-io-runtime)

### [`v0.2.1`](https://togithub.com/8xFF/sans-io-runtime/blob/HEAD/CHANGELOG.md#021---2024-08-23) [Compare Source](https://togithub.com/8xFF/sans-io-runtime/compare/v0.2.0...v0.2.1) ##### Added - return Option<()> for groups on_event call ([#​52](https://togithub.com/8xFF/sans-io-runtime/pull/52))

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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 40.71%. Comparing base (f7b201a) to head (b9bf6f5).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #426 +/- ## ======================================= Coverage 40.71% 40.71% ======================================= Files 154 154 Lines 16642 16642 ======================================= Hits 6775 6775 Misses 9867 9867 ```

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