Update wasm-smith dependency

Brings in a fuzzing bug fix!

Cargo.lock

@@ -3117,9 +3117,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-smith"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "249f721ef7742a349bbb6c55a5c9f8aff0d848aaf8cd0008755a31fff8328c04"
+checksum = "a01b8616d526ea81915c7b5ac1fcaa7eab69ceaf15e19624cbd715665521ae76"
 dependencies = [
  "arbitrary",
  "indexmap",

crates/fuzzing/Cargo.toml

@@ -18,7 +18,7 @@ wasmprinter = "0.2.25"
 wasmtime = { path = "../wasmtime" }
 wasmtime-wast = { path = "../wast" }
 wasm-encoder = "0.4.1"
-wasm-smith = "0.4.1"
+wasm-smith = "0.4.2"
 wasmi = "0.7.0"
 
 [dev-dependencies]