build(deps): bump typed-path from 0.4.0 to 0.6.0

Bumps [typed-path](https://github.com/chipsenkbeil/typed-path) from 0.4.0 to 0.6.0.
- [Release notes](https://github.com/chipsenkbeil/typed-path/releases)
- [Changelog](https://github.com/chipsenkbeil/typed-path/blob/main/CHANGELOG.md)
- [Commits](chipsenkbeil/typed-path@v0.4.0...v0.6.0)

---
updated-dependencies:
- dependency-name: typed-path
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

tough/Cargo.toml

@@ -24,7 +24,7 @@ serde_json = "1"
 serde_plain = "1"
 snafu = "0.7"
 tempfile = "3"
-typed-path = "0.4"
+typed-path = "0.6"
 untrusted = "0.7"
 url = "2"
 walkdir = "2"

tough/src/target_name.rs

@@ -4,6 +4,7 @@ use serde::{Deserialize, Deserializer, Serialize, Serializer};
 use snafu::{ensure, OptionExt};
 use std::convert::TryFrom;
 use std::str::FromStr;
+use typed_path::constants::unix::SEPARATOR_STR;
 use typed_path::{Component, UnixPath, UnixPathBuf};
 
 /// Represents the name of a target in the repository. Path-like constructs are resolved (e.g.
@@ -137,7 +138,7 @@ fn clean_name(name: &str) -> Result<String> {
             // If the first component isn't the main separator ( unix `/`, windows '\' )
             // then there is a bug or behavior change in absolutize_from.
             ensure!(
-                first_component == typed_path::unix::SEPARATOR_STR.as_bytes(),
+                first_component == SEPARATOR_STR.as_bytes(),
                 error::TargetNameRootMissingSnafu { name }
             );