Nudge running Hunk sessions to pick up new theme colors (#13518)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

bin/omarchy-theme-set

@@ -424,6 +424,7 @@ post_theme_commands=(
   omarchy-restart-helix
   omarchy-theme-set-foot
   omarchy-theme-set-tmux
+  omarchy-theme-set-hunk
   omarchy-theme-set-gnome
   omarchy-theme-set-pi
   omarchy-theme-set-claude