Remove union types (#654)

- Remove unused 'wat' dependency
- Bump wasm-tools dependencies

Author: lann

Cargo.lock

@@ -29,11 +29,10 @@ clap = { version = "4.3.19", features = ["derive"] }
 env_logger = "0.10.0"
 indexmap = "2.0.0"
 
-wasm-encoder = "0.31.1"
-wasm-metadata = "0.10.1"
-wat = "1.0.70"
-wit-parser = "0.10.0"
-wit-component = "0.13.2"
+wasm-encoder = "0.32.0"
+wasm-metadata = "0.10.3"
+wit-parser = "0.11.0"
+wit-component = "0.14.0"
 
 wit-bindgen-core = { path = 'crates/core', version = '0.10.0' }
 wit-bindgen-c = { path = 'crates/c', version = '0.10.0' }
@@ -57,7 +56,6 @@ wit-bindgen-c = { workspace = true, features = ['clap'], optional = true }
 wit-bindgen-markdown = { workspace = true, features = ['clap'], optional = true }
 wit-bindgen-teavm-java = { workspace = true, features = ['clap'], optional = true }
 wit-bindgen-go = { workspace = true, features = ['clap'], optional = true }
-wat = { workspace = true }
 wit-component = { workspace = true }
 wasm-encoder = { workspace = true }