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

Bumps [uuid](https://github.com/uuid-rs/uuid) from 1.18.1 to 1.19.0.
- [Release notes](https://github.com/uuid-rs/uuid/releases)
- [Commits](uuid-rs/uuid@v1.18.1...v1.19.0)

---
updated-dependencies:
- dependency-name: uuid
  dependency-version: 1.19.0
  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

@@ -32,7 +32,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tempfile = "3.23"
 async-trait = "0.1"
 wit-bindgen = "0.48.1"  # WIT binding generation for macro usage (MUST match CLI version in wasm_toolchain.bzl)
-uuid = { version = "1.18", default-features = false }  # UUID generation for user service (deterministic, no getrandom dependency)
+uuid = { version = "1.19", default-features = false }  # UUID generation for user service (deterministic, no getrandom dependency)
 bitflags = "2.6"  # Bitflags for WASI filesystem interfaces in generated bindings
 
 [dev-dependencies]