Log Message:
x11/lxqt-notificationd: update to 0.17.0

lxqt-notificationd-0.17.0 / 2021-04-15
======================================
  - Used const references where possible.
  - Silenced compiler warning about unused parameters.
  - Handled Qt5.15's deprecations.
  - Used "= default" for trivial destructors.
  - Completely moved to Qt5 signal/slot syntax.
  - Always handle notification summary as plain-text.