Update socks5-impl requirement from 0.7 to 0.8

Updates the requirements on [socks5-impl](https://github.com/ssrlive/socks5-impl) to permit the latest version.
- [Release notes](https://github.com/ssrlive/socks5-impl/releases)
- [Commits](https://github.com/ssrlive/socks5-impl/compare/v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: socks5-impl
  dependency-version: 0.8.0
  dependency-type: direct:production
...

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

Cargo.toml

@@ -44,7 +44,7 @@ mimalloc = { version = "0.1", default-features = false, optional = true }
 percent-encoding = "2"
 serde = { version = "1", features = ["derive"] }
 shlex = "1.3.0"
-socks5-impl = { version = "0.7", default-features = false, features = [
+socks5-impl = { version = "0.8", default-features = false, features = [
     "tokio", "serde"
 ] }
 thiserror = "2"