CI: isolate compose projects and remove runner container conflicts

docker-compose.yml

@@ -1,7 +1,6 @@
 services:
   web:
     build: .
-    container_name: nohype-web
     command: python manage.py runserver 0.0.0.0:8000
     volumes:
       - .:/app
@@ -24,13 +23,10 @@ services:
 
   db:
     image: postgres:16-alpine
-    container_name: nohype-db
     environment:
       POSTGRES_DB: nohype
       POSTGRES_USER: nohype
       POSTGRES_PASSWORD: nohype
-    ports:
-      - "5545:5432"
     volumes:
       - nohype_pg:/var/lib/postgresql/data