fix(deps): update rust crate gitlab to 0.1604.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gitlab	dependencies	minor	0.1603.0 -> 0.1604.0

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Release Notes

utils/rust-gitlab (gitlab)

### [`v0.1604.0`](https://gitlab.kitware.com/utils/rust-gitlab/blob/HEAD/CHANGELOG.md#v016040) [Compare Source](https://gitlab.kitware.com/utils/rust-gitlab/compare/v0.1603.0...v0.1604.0) - No changes needed for GitLab 16.4.

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