Upgrade to Ghost 5.22.4

Michi Kofler-Häusler - 03 Nov 2022

On both domains I upgraded Ghost successfully by means of Watchtower Docker container update.
v5.20.0
v5.21.0
v5.22.0
v5.22.1
v5.22.2
v5.22.3
v5.22.4