build: bump tokio

Bumps the cargo group with 1 update in the /packages/cactus-plugin-keychain-vault/src/cactus-keychain-vault-server/rust/gen directory: [tokio](https://github.com/tokio-rs/tokio).


Updates `tokio` from 1.28.0 to 1.29.1
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.28.0...tokio-1.29.1)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: direct:production
  dependency-group: cargo
...

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

packages/cactus-plugin-keychain-vault/src/cactus-keychain-vault-server/rust/gen/Cargo.toml

@@ -59,7 +59,7 @@ frunk-enum-core = { version = "0.2.0", optional = true }
 [dev-dependencies]
 clap = "2.25"
 env_logger = "0.7"
-tokio = { version = "1.20", features = ["full"] }
+tokio = { version = "1.29", features = ["full"] }
 native-tls = "0.2"
 tokio-tls = "0.3"