Fix a require loop

Immich serivce file used to require immich service
(itself) up and running, which is not possible.
Now it requires immich-microservices up and
running, which is its original intension.

immich.service

@@ -4,7 +4,7 @@ Documentation=https://github.com/immich-app/immich
 Requires=redis-server.service
 Requires=postgresql.service
 Requires=immich-machine-learning.service
-Requires=immich.service
+Requires=immich-microservices.service
 
 [Service]
 User=immich