v2.11.0

What's Changed

• chore: bump version to 2.11.0 (afd7fd1)
• modify release script (6051424)
• Merge pull request #93 from dmmulroy/stacked-diff (bafc37f)
• Merge pull request #92 from dmmulroy/fix/vcs-code-review (45e3c90)
• Merge pull request #88 from dmmulroy/jj-vcs-foundation (e797cac)
• feat(vcs): add stacked diff support with VcsBackend abstraction (c562c0e)
• fix(vcs): code review fixes - root commit diffs, flag injection protection, code quality (27b4393)
• feat(app): integrate VcsBackend into commands and diff TUI (1861e3b)
• feat(vcs): add VcsBackend trait and VCS detection module (ad0a798)
• feat(vcs): implement JjBackend using jj-lib crate (4e05ca4)
• feat(vcs): implement GitBackend for git CLI integration (948e4e2)