build(deps): bump tokio from 1.37.0 to 1.38.0 (#256)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.37.0 to 1.38.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.37.0...tokio-1.38.0)

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

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

Cargo.toml

@@ -15,7 +15,7 @@ futures = "^0.3"
 once_cell = "^1.19"
 regex = "^1.10"
 ruma = "^0.10"
-tokio = { version = "^1.37", features = ["full"] }
+tokio = { version = "^1.38", features = ["full"] }
 url = "^2.5"
 
 [features]