Update itertools requirement from 0.13 to 0.14

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] <support@github.com>

Cargo.toml

@@ -23,7 +23,7 @@ required-features = ["cli"]
 # BGP models #
 ##############
 ipnet = "2.10"
-itertools = "0.13"
+itertools = "0.14"
 log = "0.4"
 num_enum = { version = "0.7", features = ["complex-expressions"] }
 bitflags = { version = "2.6", features = ["serde"] }