Log Message:
herbstluftwm: update to 0.9.2

Release 0.9.2 on 2021-02-17
---------------------------

  * Client window titles (controlled by the theme attributes 'title_height',
    'title_color', 'title_font')
  * New command 'help' for live documentation on the object tree
  * New 'watch' command that emits hooks when attribute values change.
  * The 'lock_tag' attribute is now writable.
  * New 'geometry' attribute for monitors.
  * Bug fixes:
    - Correctly interpret _NET_WM_STRUT. This fixes panels that leave a bit of
      space between the panel and the monitor edge and also panels between two
      monitors.
    - Correctly handling minimized clients when removing a tag.
    - Preserve stacking order when changing the floating state of a tag
    - Update frame objects correctly in the commands 'mirror' and 'rotate'
  * New dependencies: xft, freetype