fix(db): protege conexoes e migrations de homologacao

scripts/seed-staging.ts

@@ -120,7 +120,7 @@ runScript("seed-staging", async () => {
   seed.members ??= [];
   assertSeed(seed);
 
-  const db = await openOperationalDb();
+  const db = await openOperationalDb("admin");
   try {
     const ran = await migrate(db);
     if (ran.length > 0) console.log(`migrations aplicadas antes do seed: ${ran.join(", ")}`);