chore(deps): update postgres docker tag to v18.3

Author: renovate[bot]

src/development/stack.yml

@@ -78,7 +78,7 @@ services:
     environment:
       POSTGRES_DB: drinks
       POSTGRES_PASSWORD: postgres
-    image: postgres:18.2-alpine@sha256:035b9ab53cfa147d7202b61f5f7782b939ae815b7d6bc81c96b7b42ff1fca950
+    image: postgres:18.3-alpine@sha256:eb37f58646a901dc7727cf448cae36daaefaba79de33b5058dab79aa4c04aefb
     volumes:
     - postgres-data:/var/lib/postgresql
     - ../production/data/postgres/01-schema.sql:/docker-entrypoint-initdb.d/01-schema.sql