Update wasm-spec.

Rolling v8/test/wasm-js/data: https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+log/dae979a..a2b5691

Editorial: Extract an "asynchronously instantiate a WebAssembly module" algorithm. (Daniel Ehrenberg)
https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+/a2b5691

Editorial: Extract an "instantiate the core of a WebAssembly module" algorithm. (Daniel Ehrenberg)
https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+/4ecc1b1

Editorial: Remove an unnecessary local variable in "create an instance object". (Daniel Ehrenberg)
https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+/e4bea69

Editorial: Extract a "create an instance object" algorithm. (Daniel Ehrenberg)
https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+/0555abc

Editorial: Extract a "read the imports" algorithm. (Daniel Ehrenberg)
https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+/e738239

Editorial: Stop breaking lists to insert a note. (Ms2ger)
https://chromium.googlesource.com/external/github.com/WebAssembly/spec/+/e692daa

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

Change-Id: If5d941a44b9c37d5ad2f2f76e3a726cefa9557fa
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1525098Reviewed-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@{#60251}

DEPS

@@ -122,7 +122,7 @@ deps = {
     'dep_type': 'cipd',
   },
   'v8/test/wasm-js/data':
-    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + 'dae979af8ba1d1e4c846c118fcc6d613b50d7fe2',
+    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + 'a2b5691cf102f3927e782fe5446f9b53dda6b39f',
 }
 
 recursedeps = [