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...v0.14.0)

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

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

Author: dependabot[bot]

code-generator/Cargo.toml

@@ -11,7 +11,7 @@ publish = false
 [dependencies]
 glob = { version = "0.3.2" }
 handlebars = { version = "6.3.0" }
-itertools = { version = "0.13.0" }
+itertools = { version = "0.14.0" }
 k8s-openapi = { version = "~0", features = ["latest"] }
 reqwest = { version = "0.12.12", default-features = false, features = ["blocking", "rustls-tls"] }
 serde = { version = "1.0.217", features = ["derive"] }