chore(deps): update itertools requirement from 0.10.3 to 0.12.1

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@v0.10.3...v0.12.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.toml

@@ -12,7 +12,7 @@ readme = "README.md"
 crate-type = ["cdylib"]
 
 [dependencies]
-itertools = { version="0.10.3" }
+itertools = { version="0.12.1" }
 redis-module = { version="1.0.1", features = ["experimental-api"]}
 
 [features]