fix(docker): pass postgres host, port and db env to studio (supabase#40169)

Author: singh-inder

docker/docker-compose.yml

@@ -32,6 +32,9 @@ services:
       HOSTNAME: "::"
 
       STUDIO_PG_META_URL: http://meta:8080
+      POSTGRES_PORT: ${POSTGRES_PORT}
+      POSTGRES_HOST: ${POSTGRES_HOST}
+      POSTGRES_DB: ${POSTGRES_DB}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
       PG_META_CRYPTO_KEY: ${PG_META_CRYPTO_KEY}