rust/checksum(deps): bump tokio in /tools/checksum_updater

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] <[email protected]>

Author: dependabot[bot]

tools/checksum_updater/Cargo.lock

@@ -19,7 +19,7 @@ anyhow = "1.0"
 clap = { version = "4.5", features = ["derive"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-tokio = { version = "1.0", features = ["full"] }
+tokio = { version = "1.48", features = ["full"] }
 reqwest = { version = "0.12", features = ["json"] }
 sha2 = "0.10"
 hex = "0.4"