sysutils/xplr: update to 0.19.3

v0.19.3
- Bug fixes for passing filters using the --on-load argument.

v0.19.2
- Fixed support for the following keys in input mode:
    ctrl-h
    ctrl-b
    ctrl-f
    home
    end
    ctrl-k

v0.19.1
- You can now access uid and gid of the file owners in the Lua API. See
  column-renderer and node docs.
- The input buffer will support more readline-like keys. Also, added
  "DeleteTillEnd" as another cursor based "InputOperation" option.
  See tui-input v0.5.0 release.
- Fixed applying regex based filters via the CLI and $XPLR_PIPE_MSG_IN pipe.
  See issue #503.
- You can use the prompt field to define input prompt for each mode, instead
  of using the SetInputPrompt message. See init.lua changes.

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