Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/8da0480..61c98e6

Rolling v8/test/wasm-js/data: https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+log/b552862..299e687

TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org

Change-Id: If1c6e07dac6b0cc58a03307e737353ebb9fceb57
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1513938Reviewed-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@{#60142}

DEPS

@@ -16,7 +16,7 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '8da04809022e696044180deaad8d4f3bf729788f',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '61c98e6a71d14c8e583436e9a222f4718f2ae528',
   'v8/third_party/depot_tools':
     Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '3485a263f4ab1f5e5576d0bd3b2633a37b8b217f',
   'v8/third_party/icu':
@@ -122,7 +122,7 @@ deps = {
     'dep_type': 'cipd',
   },
   'v8/test/wasm-js/data':
-    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + 'b55286262bdea98f97b5911cc9684e3d4bf356b7',
+    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + '299e68710d9b1884e6fa65c829fdfae8f1a6d9eb',
 }
 
 recursedeps = [