Bump rustfix

Author: ehuss

Cargo.toml

@@ -48,7 +48,7 @@ num_cpus = "1.0"
 opener = "0.4"
 percent-encoding = "2.0"
 remove_dir_all = "0.5.2"
-rustfix = "0.4.4"
+rustfix = "0.4.6"
 same-file = "1"
 semver = { version = "0.9.0", features = ["serde"] }
 serde = { version = "1.0.82", features = ['derive'] }