GitLab

Signed-off-by: Pavithra Vijayakrishnan <160681768+pvijayakrish@users.noreply.github.com>

Signed-off-by: Tanmay Verma <tanmay2592@gmail.com>
Co-authored-by: Dmitry Tokarev <dtokarev@nvidia.com>

Also upgrade the cargo resolver to v3, the default.

New clippy lints:
- `next_back()` instead of `last()` for a double-ended iterator. That avoids walking the whole list.
- ` repeat_n` instead of `repeat.take`. That avoids cloning.
- Doc indenting

Co-authored-by: Ryan Olson <ryanolson@users.noreply.github.com>