chore(deps): bump gix from 0.83.0 to 0.84.0

[dependabot]

Bumps gix from 0.83.0 to 0.84.0.

Release notes

Sourced from gix's releases.

gix v0.84.0

New Features (BREAKING)

• Allow checkouts of empty repositories Also make turn destination_must_be_empty into Option<bool>

New Features

• Add SHA-256 support for object-format parsing.

Bug Fixes

• Follow submodule gitdir files when opening and perform basic validation Modern submodules store a .git file in the worktree whose gitdir: value points at the repository to open. The previous resolver treated every non-directory .git path like an uninitialized submodule and fell back to .git/modules/, which can open the wrong repository after a submodule gitdir is relocated or renamed. That shows up as phantom submodule HEAD changes in gix status.

  Git baseline: Git setup.c::read_gitfile_gently() parses gitdir: files and resolves relative targets against the .git file location; submodule.c::submodule_to_gitdir() consults that gitfile before falling back to the name-derived .git/modules path.

  Update Submodule::git_dir_try_old_form() to validate the submodule name, then follow worktree .git files when present while preserving the old-form directory and uninitialized fallback behavior. Validate present gitdir file targets for direct state/open/status queries so broken submodule checkouts are reported if the gitlink doesn't point to a directory. For status ignore=all, still parse valid gitdir files to keep state accurate, but skip target validation and fall back without error if the gitdir file itself is malformed or unreadable. Derive State::is_old_form directly from whether the worktree .git path is a directory so a divergent modern gitlink is not misclassified as old form.

• Repository::is_dirty() won't fail on unborn repositories

Commit Statistics

• 37 commits contributed to the release over the course of 28 calendar days.
• 28 days passed between releases.
• 4 commits were understood as conventional.
• 2 unique issues were worked on: #, #2585

Commit Details

• #

... (truncated)

Commits

• 10c58bb Release gix-error v0.2.4, gix-date v0.15.4, gix-actor v0.41.1, gix-trace v0.1...
• b6c41cb Montly report for May 2026
• faecc23 Merge pull request #2607 from SarthakB11/fix/issue-1842
• 8323858 fix: Derive $0 for sh -c from the shell's basename
• d62e33c Add tests for $0 deriving from the actually-running shell
• f6433ac Update downstream test assertions for sh $0 change
• 6752a96 Pass sh (not --) as $0 to sh -c
• 4377485 Merge pull request #2612 from GitoxideLabs/improvements
• 123cdaf spawn_git_daemon now spawns the git daemon on a free port automatically
• cad26e9 fix: disable automatic Git maintenance in gix-testtools, add `apply_git_confi...
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