switch to deno.land/postgresjs for free 4x speed increase

scripts/db-migrate.ts

@@ -1,4 +1,10 @@
 import { DittoDB } from '@/db/DittoDB.ts';
+import { delay } from '@/test.ts';
+
+if (Deno.env.get('CI') && Deno.env.get('DATABASE_URL')?.startsWith('postgres')) {
+    console.info('Waiting 15 seconds for postgres to start...');
+    await delay(15000);
+}
 
 const kysely = await DittoDB.getInstance();
 await kysely.destroy();