build(deps): update itertools requirement from 0.12.1 to 0.13.0

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@v0.12.1...v0.13.0)

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

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

Author: dependabot[bot]

deblock/Cargo.toml

@@ -7,4 +7,4 @@ license = "MIT OR Apache-2.0"
 
 [dependencies]
 wide = "0.7.11"
-itertools = "0.12.1"
+itertools = "0.13.0"