Stacked Git 2.7.0

Added

• feat: allow unambiguous command shorthands, opt-in with stgit.infer-commands (#649)
• feat: accept git approxidate spellings for dates, e.g. "2 days 3 hours ago",
  "last week", "3.days.ago", and "@"

Fixed

• fix(push): run git mergetool for stgit.autoimerge
• fix: anchor relative dates in the local time zone rather than UTC

Changed

• fix: reject "@" as a branch name for stg branch --create; it names the top patch
• perf: avoid spawning git notes copy when there is no note to copy
• chore: bump MSRV to 1.88
• chore: update gix to 0.89
• chore: update clap to 4.6.7
• chore: update dependencies