feat(cargo): add locked option (#6134)
* feat(cargo): add locked option
This commit introduces locked option to cargo module,
allowing user to install with locked dependency.
Equivalent to `--locked` flag of `cargo install` command
* Update docs.
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Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit a0d8f4de78)
Co-authored-by: Murad Bashirov <66242799+m-spitfire@users.noreply.github.com>
