fix(docker-compose): Use the recommended PG_DATA for PG > 18+ (see docker-library/postgres#1259)

Author: Richard Capraro

docker-compose.yml

@@ -48,7 +48,7 @@ services:
         ports:
             - "5432:5432"
         volumes:
-            - postgres-data:/var/lib/postgresql/data
+            - postgres-data:/var/lib/postgresql
             - ./postgres-init.sql:/docker-entrypoint-initdb.d/postgres-init.sql
         healthcheck:
             test: [ "CMD-SHELL", "pg_isready -U postgres" ]