Log Message:
x11/kitty: update to 0.26.4

0.26.4 [2022-10-17]
 - macOS: Allow changing the kitty icon by placing a custom icon in the kitty
   config folder (#5464)
 - Allow centering the background_image (#5525)
 - X11: Fix a regression in the previous release that caused pasting from GTK
   based applications to have extra newlines (#5528)
 - Tab bar: Improve empty space management when some tabs have short titles,
   allocate the saved space to the active tab (#5548)
 - Fix background_tint not applying to window margins and padding (#3933)
 - Wayland: Fix background image scaling using tiled mode on high DPI screens
 - Wayland: Fix an abort when changing background colors with
   wayland_titlebar_color set to background (#5562)
 - Update to Unicode 15.0 (#5542)
 - GNOME Wayland: Fix a memory leak in gnome-shell when using client side
   decorations