Update itertools requirement from 0.14 to 0.15

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@v0.14.0...v0.15.0)

---
updated-dependencies:
- dependency-name: itertools
  dependency-version: 0.15.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -20,7 +20,7 @@ jagua-rs = { features = ["spp"], version = "0.7.2" }
 rand = "0.10"
 rand_distr = "0.6"
 svg = "0.18"
-itertools = "0.14"
+itertools = "0.15"
 log = { version = "0.4", features = ["release_max_level_info"] }
 fern = "0.7"
 serde = "1.0"