⬆️ Update itertools requirement from 0.12 to 0.13

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@v0.12.0...v0.13.0)

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

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

Cargo.toml

@@ -15,7 +15,7 @@ exclude = ["/.github", ".gitignore"]
 chrono = "0.4"
 clap = { version = "4.2", features = ["derive"] }
 color-eyre = "0.6.2"
-itertools = "0.12"
+itertools = "0.13"
 k8s-openapi = { version = "0.21", default-features = false }
 kube = { version = "0.90", features = [
     "client",