Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/8823f36..7136ae1

TBR=machenbach@chromium.org,tmrts@chromium.org

Change-Id: Iababa920839bb6578233ad5079dc4ebed0bfeabd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1869859Reviewed-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/master@{#64399}

DEPS

@@ -71,7 +71,7 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '8823f36dd4d90a45a70a948ff9d326bde0940256',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '7136ae113ebda8e6acb63ae98123f1552d69d65c',
   'v8/third_party/depot_tools':
     Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + 'acf922ce48cfd1ecf88582d9dbecf14e8d1fe369',
   'v8/third_party/icu':