chore(deps): update rustls requirement from 0.21.8 to 0.22.1

Updates the requirements on [rustls](https://github.com/rustls/rustls) to permit the latest version.
- [Release notes](https://github.com/rustls/rustls/releases)
- [Changelog](https://github.com/rustls/rustls/blob/main/CHANGELOG.md)
- [Commits](rustls/rustls@v/0.21.8...v/0.22.1)

---
updated-dependencies:
- dependency-name: rustls
  dependency-type: direct:production
...

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

rpxy-lib/Cargo.toml

@@ -54,7 +54,7 @@ hyper-rustls = { version = "0.24.2", default-features = false, features = [
   "http2",
 ] }
 tokio-rustls = { version = "0.24.1", features = ["early-data"] }
-rustls = { version = "0.21.8", default-features = false }
+rustls = { version = "0.22.1", default-features = false }
 webpki = "0.22.4"
 x509-parser = "0.15.1"