[test262] Roll test262

https://chromium.googlesource.com/external/github.com/tc39/test262/+log/8f5c7aed0..b1f49b5c

Bug: v8:7834
Change-Id: Icb4ab0c9b26962ed60ba30419f3976ddf05e91e4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3704910Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81165}

DEPS

@@ -147,7 +147,7 @@ deps = {
   'test/mozilla/data':
     Var('chromium_url') + '/v8/deps/third_party/mozilla-tests.git' + '@' + 'f6c578a10ea707b1a8ab0b88943fe5115ce2b9be',
   'test/test262/data':
-    Var('chromium_url') + '/external/github.com/tc39/test262.git' + '@' + '8f5c7aed093e753649500a538ce62f8b8c035aa4',
+    Var('chromium_url') + '/external/github.com/tc39/test262.git' + '@' + 'b1f49b5c46bf46740c3cf4f3bcabe14008207e50',
   'third_party/aemu-linux-x64': {
       'packages': [
           {