Update itertools requirement from 0.13.0 to 0.14.0

Updates the requirements on [itertools](https://github.com/rust-itertools/itertools) to permit the latest version.
- [Changelog](https://github.com/rust-itertools/itertools/blob/master/CHANGELOG.md)
- [Commits](rust-itertools/itertools@v0.13.0...v0.13.0)

---
updated-dependencies:
- dependency-name: itertools
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -24,7 +24,7 @@ dotenv = "0.15.0"
 entity = { path = "entity" }
 futures = "0.3.31"
 http-serde = "2.0.0"
-itertools = "0.13.0"
+itertools = "0.14.0"
 lambda_http = "0.14.0"
 lambda_runtime = "0.13.0"
 migration = { path = "migration" }