Update redis Docker tag to v7.2.3

This MR contains the following updates:

Package	Update	Change
redis	minor	7.0.10 -> 7.2.3
redis	patch	7.2.1 -> 7.2.3

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verwaltung/docker_nextcloud/templates/docker-compose.yml

@@ -4,7 +4,7 @@ services:
 
   redis:
 
-    image: redis:7.2.1
+    image: redis:7.2.3
     restart: always
     networks:
       - default