build(deps): update jni requirement in /wasmtime4j-native/fuzz

Updates the requirements on [jni](https://github.com/jni-rs/jni-rs) to permit the latest version.
- [Release notes](https://github.com/jni-rs/jni-rs/releases)
- [Changelog](https://github.com/jni-rs/jni-rs/blob/master/CHANGELOG.md)
- [Commits](jni-rs/jni-rs@v0.21.1...v0.22.4)

---
updated-dependencies:
- dependency-name: jni
  dependency-version: 0.22.4
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.toml

@@ -20,7 +20,7 @@ wast = "248.0.0"
 wasmparser = "0.248"
 
 # JNI support for Java 8-22 compatibility
-jni = "0.21.1"
+jni = "0.22.4"
 
 # Async runtime for WASI and other async operations
 tokio = { version = "1.35", features = ["full"] }