chore(docker): Update postgres Docker tag to v18

Author: renovate[bot]

docker-compose.dev.yml

@@ -2,7 +2,7 @@ version: '3'
 services:
   openaev-dev-pgsql:
     container_name: openaev-dev-pgsql
-    image: postgres:17-alpine
+    image: postgres:18-alpine
     environment:
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}

docker-compose.yml

@@ -29,7 +29,7 @@ services:
       timeout: 5s
       retries: 3
   pgsql:
-    image: postgres:17-alpine
+    image: postgres:18-alpine
     environment:
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}