Upgrade to Ghost 5.52.3

On both domains I upgraded Ghost successfully by means of Watchtower Docker container update.
v5.49.3
v5.50.0
v5.50.1
v5.50.2
v5.50.3
v5.50.4
v5.51.0
v5.51.1
v5.51.2
v5.52.0
v5.52.1
v5.52.2
v5.52.3