Update itertools requirement from 0.12.1 to 0.13.0 (#245)

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@v0.12.1...v0.13.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -118,7 +118,7 @@ jsonschema = { version = "0.18.0", default-features = false, optional = true }
 chrono = { version = "0.4.31", optional = true }
 chrono-tz = { version = "0.8.5", optional = true }
 jsonwebtoken = { version = "9.2.0", optional = true }
-itertools = { version = "0.12.1", default-features = false, optional = true }
+itertools = { version = "0.13.0", default-features = false, optional = true }
 
 serde_yaml = {version = "0.9.16", default-features = false, optional = true }
 rand = { version = "0.8.5", default-features = false, optional = true }