fix: downgrade typescript to 5.x and nodemailer to 8.x for peer dep compatibility + update lockfile

src/lib/auth/password.test.ts

@@ -2,7 +2,7 @@ import { hash as bcryptHash } from "bcrypt";
 import { describe, expect, it, vi } from "vitest";
 
 const mockEnv = vi.hoisted(() => ({
-	PASSWORD_HASH: undefined,
+	PASSWORD_HASH: undefined as string | undefined,
 	ARGON2_PARALLELISM: 1,
 	ARGON2_ITERATIONS: 4,
 	ARGON2_MEMORY_SIZE: 65536,