The last chunk doesn't need to be created first, instead borrow the
iterator so it can be used later for the remainder.

* List dependencies of a crate
* List dependents of a crate
* Perform semver-checks of a crate
* Prepare a release for a crate and all dependents
* Use a single release.toml for cargo-release
* Add changelogs where missing

* Add newtype for moved type to preserve API compat

Signed-off-by: Haobo Gu <haobogu@outlook.com>