chore(deps): bump tokio from 1.49.0 to 1.50.0 in /reference-apps/rust

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.49.0 to 1.50.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.49.0...tokio-1.50.0)

---
updated-dependencies:
- dependency-name: tokio
  dependency-version: 1.50.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

reference-apps/rust/Cargo.lock

@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 actix-web = "4.12"
 actix-cors = "0.7"
-tokio = { version = "1.49", features = ["full"] }
+tokio = { version = "1.50", features = ["full"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 reqwest = { version = "=0.12.28", default-features = false, features = ["json", "rustls-tls-native-roots"] }