Update itertools requirement from 0.11.0 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@v0.11.0...v0.14.0)

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

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

Cargo.toml

@@ -57,7 +57,7 @@ chrono = { version = ">=0.4.35" } # actions need timestamps
 
 nom = {version = "7.1.3", features = ["alloc"] } # for msggen
 clap = "4.4.3" # for msggen
-itertools = "0.11.0" # for msggen
+itertools = "0.14.0" # for msggen
 bstr = "1.6.2"
 widestring = "1.0" # msggen
 libc = "0.2.153"