build(deps): update wasmtime requirement from 24.0 to 28.0

Updates the requirements on [wasmtime](https://github.com/bytecodealliance/wasmtime) to permit the latest version.
- [Release notes](https://github.com/bytecodealliance/wasmtime/releases)
- [Changelog](https://github.com/bytecodealliance/wasmtime/blob/v28.0.0/RELEASES.md)
- [Commits](https://github.com/bytecodealliance/wasmtime/compare/v24.0.0...v28.0.0

)

---
updated-dependencies:
- dependency-name: wasmtime
  dependency-type: direct:production
...

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

examples/wasmtime/Cargo.toml

@@ -18,7 +18,7 @@ cfg-if = "1"
 log = { version = "0.4" } #, features = ["kv_unstable"]}
 simple_logger = { version = "5.0", default-features = false }
 # FIXME: remove `gc` feature once upgraded to wasmtime 25:
-wasmtime = { version = "24.0", default-features = false, features = ["std", "gc", "runtime", "cranelift", "threads", "parallel-compilation"] } #"pooling-allocator", "incremental-cache", "wat", "gc", "component-model"] }
+wasmtime = { version = "28.0", default-features = false, features = ["std", "gc", "runtime", "cranelift", "threads", "parallel-compilation"] } #"pooling-allocator", "incremental-cache", "wat", "gc", "component-model"] }
 zerocopy = { version = "0.8", default-features = false, features = ["alloc", "derive", "simd-nightly"] }
 
 [target.'cfg(target_os = "hermit")'.dependencies]