Update itertools requirement from 0.12.0 to 0.13.0 (#42)

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@v0.12.0...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>

Author: dependabot[bot]

dotfiles_core/Cargo.toml

@@ -7,6 +7,6 @@ edition = "2018"
 [dependencies]
 getset = "0.1.2"
 home = "0.5.4"
-itertools = "0.12.0"
+itertools = "0.13.0"
 strict-yaml-rust = "0.1.2"
 subprocess = "0.2.8"

dotfiles_processor/Cargo.toml

@@ -9,7 +9,7 @@ clap = { version = "4.0.13", features = ["derive"] }
 dotfiles_core = { path = "../dotfiles_core" }
 dotfiles_actions = { path = "../dotfiles_actions" }
 getset = "0.1.2"
-itertools = "0.12.0"
+itertools = "0.13.0"
 log = "0.4.14"
 once_cell = "1.17.1"
 strict-yaml-rust = "0.1.2"