Update wasm-spec.

Rolling v8/test/wasm-js/data: https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+log/ec592be..5f240d1

[test] More tests for non-minimal LEB128 (#1007) (Wanming Lin)
https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+/5f240d1

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

Change-Id: Ice7f655466fbe138dbc2419d27e74d2b97d85e2b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1605348Reviewed-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@{#61397}

DEPS

@@ -236,7 +236,7 @@ deps = {
     'dep_type': 'cipd',
   },
   'v8/test/wasm-js/data':
-    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + 'ec592be23d68eb71c5b6b9ff0987137690cb764d',
+    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + '5f240d1c3e6d1f16ee8328c9cc6f3bb2e352aae9',
   'v8/third_party/perfetto':
     Var('android_url') + '/platform/external/perfetto.git' + '@' + '70fed1d420d31510e29aae328cbb3aa3f0a80e25',
   'v8/third_party/protobuf':