cargo(deps): bump tokio from 1.47.1 to 1.48.0

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.47.1 to 1.48.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.47.1...tokio-1.48.0)

---
updated-dependencies:
- dependency-name: tokio
  dependency-version: 1.48.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -8,7 +8,7 @@ license = "MIT"
 serde = { version = "*", features = ["derive"] }
 serenity = "0.12.4"
 sqlx = { version = "0.8.6", features = ["runtime-tokio", "sqlite", "macros", "migrate"] }
-tokio = { version = "1.47.1", features = ["rt-multi-thread"] }
+tokio = { version = "1.48.0", features = ["rt-multi-thread"] }
 toml = "0.9.8"
 reqwest = "0.12.23"
 async-trait = "0.1.89"