Bump tokio from 1.30.0 to 1.32.0 in /src/proxy-manager (#3425)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.30.0 to 1.32.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.30.0...tokio-1.32.0)

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

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

Author: dependabot[bot]

src/proxy-manager/Cargo.lock

@@ -20,7 +20,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 storage-queue = { path = "../agent/storage-queue" }
 thiserror = "1.0"
-tokio = { version = "1.29", features = [
+tokio = { version = "1.32", features = [
     "macros",
     "rt-multi-thread",
     "fs",