Bump tokio from 1.17.0 to 1.18.4

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.17.0 to 1.18.4.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.17.0...tokio-1.18.4)

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

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

ydb-example-urlshortener/Cargo.toml

@@ -11,7 +11,7 @@ async_once="0.2.6"
 hashers="1.0.1"
 lazy_static = "1.4.0"
 serde={version="1.0", features=["derive"]}
-tokio={version="1.17", features=["macros", "rt-multi-thread", "net"]}
+tokio={version="1.18", features=["macros", "rt-multi-thread", "net"]}
 tracing = "0.1"
 tracing-subscriber = "0.3"
 warp="0.3.2"

ydb/Cargo.toml

@@ -24,7 +24,7 @@ reqwest = {version="0.11", features = ["blocking", "json","rustls"], default-fea
 serde={version="1.0", features=["derive"]}
 serde_json="1.0"
 strum = { version = "0.21", features = ["derive"] }
-tokio = { version = "1.17", features = ["full"]}
+tokio = { version = "1.18", features = ["full"]}
 tracing = "0.1"
 tracing-test = "0.2.1"
 tracing-subscriber = "0.3"