v0.2.9

This release bundles tmux 3.6a for letee's outer cockpit.
Upstream source: https://github.com/tmux/tmux-builds/releases/tag/v3.6a

What's Changed

• feat: add agent navigation keybindings by @julsemaan in #125
• Release version 0.2.9 by @github-actions[bot] in #126

Full Changelog: v0.2.8...v0.2.9