Use numpy 1.2x.supported.1 in V8

This fixes 'fetch v8' on Arm Macs.

Bug: chromium:1295840
Change-Id: Ifa7a07eef508c0e0203de8ea8d54ddcd31815fe8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3494442
Auto-Submit: David Benjamin <davidben@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79351}

.vpython3

@@ -67,5 +67,5 @@ wheel: <
 
 wheel: <
   name: "infra/python/wheels/numpy/${vpython_platform}"
-  version: "version:1.20.3"
->
\ No newline at end of file
+  version: "version:1.2x.supported.1"
+>