Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/28f08ad..ae8cb5d

TBR=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com

Change-Id: I1e7b57b7120906e6a1c789a428e199944a0be7dd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3168365Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#76925}

DEPS

@@ -95,7 +95,7 @@ deps = {
   'base/trace_event/common':
     Var('chromium_url') + '/chromium/src/base/trace_event/common.git' + '@' + '715537d6007ca71837f48bcb04fc3d482aed2507',
   'build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '28f08ad2322bdef5cb245d9d8e5e343e29732e37',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'ae8cb5d4efe8bc041196969ae336da06e263d0e9',
   'buildtools':
     Var('chromium_url') + '/chromium/src/buildtools.git' + '@' + '7ea3a871db68ae2cbbeaf5433a3192a799ef3c11',
   'buildtools/clang_format/script':