Update async-tungstenite requirement from 0.33 to 0.34 (#373)

Updates the requirements on [async-tungstenite](https://github.com/sdroege/async-tungstenite) to permit the latest version.
- [Changelog](https://github.com/sdroege/async-tungstenite/blob/main/CHANGELOG.md)
- [Commits](sdroege/async-tungstenite@0.33.0...0.34.0)

---
updated-dependencies:
- dependency-name: async-tungstenite
  dependency-version: 0.34.0
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.toml

@@ -33,7 +33,7 @@ anyhow = "1"
 async-dup = "1"
 async-h1 = "2"
 async-native-tls = "0.6"
-async-tungstenite = { version = "0.33", features = ["async-native-tls"] }
+async-tungstenite = { version = "0.34", features = ["async-native-tls"] }
 ctrlc = "3"
 doc-comment = "0.3"
 futures = "0.3"