chore(deps): update postgres docker tag to v18 (#208)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

docker-compose.yml

@@ -1,7 +1,7 @@
 version: "3.6"
 services:
   postgres:
-    image: postgres:17
+    image: postgres:18
     container_name: postgres
     restart: always
     volumes: