Update wasmparser requirement from 0.49.0 to 0.50.0 (#156)

Updates the requirements on [wasmparser](https://github.com/bytecodealliance/wasmparser.rs) to permit the latest version.
- [Release notes](https://github.com/bytecodealliance/wasmparser.rs/releases)
- [Commits](https://github.com/bytecodealliance/wasmparser.rs/commits)

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

Cargo.toml

@@ -29,7 +29,7 @@ leb128 = "0.2.4"
 log = "0.4.8"
 rayon = { version = "1.1.0", optional = true }
 walrus-macro = { path = './crates/macro', version = '=0.15.0' }
-wasmparser = "0.49.0"
+wasmparser = "0.50.0"
 
 [features]
 parallel = ['rayon', 'id-arena/rayon']

crates/fuzz-utils/Cargo.toml

@@ -10,7 +10,7 @@ anyhow = "1.0"
 env_logger = "0.7.0"
 rand = { version = "0.7.0", features = ['small_rng'] }
 tempfile = "3.1.0"
-wasmparser = "0.48"
+wasmparser = "0.50"
 wat = "1.0"
 
 [dependencies.walrus]