v0.15.0

What's Changed

• chore: release v0.14.0 [skip ci]
• fix: address PR #551 review comments, delay auto-merge for review (#554)
• fix: stop warning on pre-refactor config keys (git_mode, renamed keymap actions) (#555)
• fix: keep selection highlight visible on the active line (#552)
• fix: skip build_visible deep walk when nothing is expanded (#551)
• chore: bump Homebrew formula to v0.14.0 [skip ci]