build(deps): update wasmtime requirement from >=16, <18 to >=16, <19

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/main/docs/WASI-some-possible-changes.md)
- [Commits](bytecodealliance/wasmtime@v16.0.0...v18.0.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -14,7 +14,7 @@ serde_json = "1.0.18" # This is the earliest version which supports 128-bit inte
 thiserror = "1"
 tokio = { version = "1.5", features = ["sync", "macros"] }
 tracing = "0.1.27"
-wasmtime = { version = ">=16, <18", default-features = false, features = ["async"] }
+wasmtime = { version = ">=16, <19", default-features = false, features = ["async"] }
 
 # Loader
 tokio-tar = { version = "0.3", optional = true }
@@ -53,7 +53,7 @@ version = "1.5"
 features = ["macros", "fs", "rt", "rt-multi-thread"]
 
 [dev-dependencies]
-wasmtime = { version = ">=16, <18", default-features = false, features = ["cranelift"] }
+wasmtime = { version = ">=16, <19", default-features = false, features = ["cranelift"] }
 insta = { version = "1", features = ["yaml"] }
 
 [build-dependencies]