Update Rust crate jni to 0.21.1 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
jni	dependencies	patch	0.21 -> 0.21.1

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Release Notes

jni-rs/jni-rs (jni)

### [`v0.21.1`](https://togithub.com/jni-rs/jni-rs/blob/HEAD/CHANGELOG.md#0211--2023-03-08) [Compare Source](https://togithub.com/jni-rs/jni-rs/compare/v0.21.0...v0.21.1) ##### Fixes - Compilation is fixed for architectures with a C ABI that has unsigned `char` types. ([#​419](https://togithub.com/jni-rs/jni-rs/pull/419))

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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