rust/wasm-checksum(deps): bump tokio in /tools/checksum_updater_wasm (#292)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.48.0 to 1.49.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.48.0...tokio-1.49.0)

---
updated-dependencies:
- dependency-name: tokio
  dependency-version: 1.49.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tools/checksum_updater_wasm/Cargo.lock

@@ -35,7 +35,7 @@ tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 
 # Async runtime and futures (needed for update_engine)
-tokio = { version = "1.48", features = ["sync", "time", "fs"] }
+tokio = { version = "1.49", features = ["sync", "time", "fs"] }
 futures = "0.3"
 reqwest = { version = "0.13", features = ["json"] }