Bump clap from 2.33.3 to 2.34.0 in /src/proxy-manager

Bumps [clap](https://github.com/clap-rs/clap) from 2.33.3 to 2.34.0.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/commits)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/proxy-manager/Cargo.lock

@@ -8,7 +8,7 @@ license = "MIT"
 
 [dependencies]
 anyhow = "1.0"
-clap = "2.33"
+clap = "2.34"
 env_logger = "0.9"
 futures = "0.3"
 reqwest = { version = "0.11", features = ["json", "stream"] }