Update wasm-spec.

Rolling v8/test/wasm-js/data: https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+log/024e273..666dc4c

[js-api] Use IDL conventions around ambient values. (#1037) (Ms2ger)
https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+/666dc4c

TBR=ahaas@chromium.org,clemensh@chromium.org

Change-Id: I49216e2f2f2a36bc6f2d29adaa40f88b9ada1be0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1683108Reviewed-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@{#62453}

DEPS

@@ -236,7 +236,7 @@ deps = {
     'dep_type': 'cipd',
   },
   'v8/test/wasm-js/data':
-    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + '024e273c28f602eb6696bce535f234ea44e02519',
+    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + '666dc4cb8d4a81d386a7a716000bb85fbbbd06a2',
   'v8/third_party/perfetto':
     Var('android_url') + '/platform/external/perfetto.git' + '@' + '10c98fe0cfae669f71610d97e9da94260a6da173',
   'v8/third_party/protobuf':