build(deps): Update git requirement from ~> 4.0 to ~> 5.1

[dependabot]

Updates the requirements on git to permit the latest version.

Release notes

Sourced from git's releases.

v5.1.0

5.1.0 (2026-08-18)

Features

• grep: Expose perl_regexp on the Git::Repository#grep facade (759436f)
• log: Expose perl_regexp on the log path (df8ea33)

Other Changes

• Add fiddle as a Windows development dependency (1847989)
• Bound the locale job's apt step so a stalled mirror fails fast (3a5d83b)
• Cover the perl_regexp escape hatch for non-ASCII regex matching (55e2ded)
• Document the Git for Windows byte-matching regex limitation (9aaedbd)
• Document the windows symlink privilege requirement (696dff3)
• Express development dependency conditions as named predicates (acca20a)
• Fix a broken section link in the pre-review checklist (719f595)
• Make integration fixtures independent of git and platform settings (c2a1592)
• Pin rubocop to lf line endings (7f40413)
• Pin test repository config from a single source (6e227b7)
• Scope the symlink rescue to the symlink call (c2bed8f)
• Skip the symlink specs when the host cannot create symlinks (8e9b667)

Changelog

Sourced from git's changelog.

5.1.0 (2026-08-18)

Features

• grep: Expose perl_regexp on the Git::Repository#grep facade (759436f)
• log: Expose perl_regexp on the log path (df8ea33)

Other Changes

• Add fiddle as a Windows development dependency (1847989)
• Bound the locale job's apt step so a stalled mirror fails fast (3a5d83b)
• Cover the perl_regexp escape hatch for non-ASCII regex matching (55e2ded)
• Document the Git for Windows byte-matching regex limitation (9aaedbd)
• Document the windows symlink privilege requirement (696dff3)
• Express development dependency conditions as named predicates (acca20a)
• Fix a broken section link in the pre-review checklist (719f595)
• Make integration fixtures independent of git and platform settings (c2a1592)
• Pin rubocop to lf line endings (7f40413)
• Pin test repository config from a single source (6e227b7)
• Scope the symlink rescue to the symlink call (c2bed8f)
• Skip the symlink specs when the host cannot create symlinks (8e9b667)

5.0.5 (2026-08-09)

Bug Fixes

• Detect Darwin under JRuby when pinning LC_ALL (89bf625), closes #1669
• Pin LC_ALL to a locale that exists on the host platform (5a4e0d6), closes #1669

Other Changes

• Correct two imprecise claims in the build-complete comment (c4391cd), closes #1675
• Gate merges on a matrix-free job instead of the per-matrix checks (47f2d17), closes #1675
• Remove vestigial matrix dimensions (3a89886), closes #1676
• Run RuboCop and YARD once instead of on every matrix job (0726964)
• Run the suite once with en_US.UTF-8 unavailable (6e012c5), closes #1669
• Run the test suite under a non-English locale (c65d402), closes #1670
• Skip the All Specs Passed gate on release PRs (6dfeee0), closes #1675
• Warm bundler caches at default-branch scope on push to main (2821477), closes #1674

5.0.4 (2026-08-07)

Bug Fixes

• Return the full ref path in the ls_remote :ref value (34b0b06), closes #1416

... (truncated)

Commits

• 96537e3 chore: release v5.1.0
• 3a5d83b ci: bound the locale job's apt step so a stalled mirror fails fast
• 719f595 docs: fix a broken section link in the pre-review checklist
• acca20a refactor: express development dependency conditions as named predicates
• 1847989 build: add fiddle as a Windows development dependency
• 6e227b7 test: pin test repository config from a single source
• c2bed8f test: scope the symlink rescue to the symlink call
• c2a1592 test: make integration fixtures independent of git and platform settings
• 696dff3 docs: document the windows symlink privilege requirement
• 8e9b667 test: skip the symlink specs when the host cannot create symlinks
• Additional commits viewable in compare view

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