Bump uuid from 1.8.0 to 1.9.1 in /protocol

Bumps [uuid](https://github.com/uuid-rs/uuid) from 1.8.0 to 1.9.1.
- [Release notes](https://github.com/uuid-rs/uuid/releases)
- [Commits](uuid-rs/uuid@1.8.0...1.9.1)

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

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

protocol/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 chrono = { version = "0.4", features = ["serde"] }
-uuid = { version = "1.8.0", features = ["v4", "serde"] }
+uuid = { version = "1.9.1", features = ["v4", "serde"] }
 sqlx = { version = "0.7", features = ["macros", "chrono", "uuid"] }
 serde = "1.0"
 serde_with = { version = "3.7", features = ["chrono_0_4"] }