chore(deps): update postgres docker tag to v16

renovate[bot] · renovate[bot] · commit d43330ec31b5 · 2023-09-15T23:31:17.000Z
diff --git a/docker-compose.yaml b/docker-compose.yaml
@@ -50,7 +50,7 @@ services:
       - traefik.http.services.mail-${COMPOSE_PROJECT_NAME_SLUG}.loadbalancer.server.port=8025
 
   keycloak-database:
-    image: postgres:15-alpine
+    image: postgres:16-alpine
     container_name: ${COMPOSE_PROJECT_NAME_SAFE}_keycloak_db
     restart: on-failure
     volumes:
