test(strict-output): give the spool-prefix child time to finish before the pending stream times out

windows-free-tests failed on 9a7a7e54: the 150 ms shared deadline raced Bun
startup on Windows, so the child was killed mid-write and the spool held a
partial payload. Only the never-released extra stream should time out; the
child now has 3 s.

test/strict-output-settlement.test.ts

@@ -223,7 +223,7 @@ test('a timed-out registered spool retains the complete byte prefix, never a pas
   let release: (() => void) | undefined;
   try {
     writeFileSync(source, `process.stdout.write(${JSON.stringify(payload)})`);
-    const result = await runShardChild({ ...options,
+    const result = await runShardChild({ ...options, timeoutMs: 3000,
       args: [source],
       hookStreams: child => {
         const sink = { write: (chunk: Buffer | string) => { writeSync(fd, Buffer.from(chunk)); return true; } } as NodeJS.WriteStream;