Stacked Git 2.6.0

Added

• feat(rebase): add --exec option to run commands after each patch
• feat: respect core.commentChar setting for escaping comment characters in commit messages

Fixed

• fix(refresh): handle "copied" status (#615)
• fix(import): respect --name verbatim, ignoring stgit.namelength (#623)

Changed

• chore: bump MSRV to 1.85
• chore: update clap to 4.6
• chore: update gix to 0.83
• chore: update winnow to 1.0
• chore: update dependencies
• docs: Update copyright year