chore(deps): bump the cargo group with 2 updates (#82)

Bumps the cargo group with 2 updates: [tokio](https://github.com/tokio-rs/tokio) and [serde](https://github.com/serde-rs/serde).


Updates `tokio` from 1.39.2 to 1.40.0
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.39.2...tokio-1.40.0)

Updates `serde` from 1.0.204 to 1.0.209
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.204...v1.0.209)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: cargo
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: cargo
...

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

Cargo.toml

@@ -19,5 +19,5 @@ teloxide = { version = "0.12.2", features = [
 ], default-features = false }
 log = "0.4.22"
 pretty_env_logger = "0.5.0"
-tokio = { version = "1.39.2", features = ["rt-multi-thread", "macros"] }
-serde = { version = "1.0.204", features = ["derive"] }
+tokio = { version = "1.40.0", features = ["rt-multi-thread", "macros"] }
+serde = { version = "1.0.209", features = ["derive"] }