deps: V8: cherry-pick 1e36e21acc40

Original commit message:

    Remove unnecessary export, which happens to break MSVC DLL builds.

    Change-Id: I47c9211274cefd26bde6bd93aa7503e022df4357
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2042874
    Reviewed-by: Ulan Degenbaev <[email protected]>
    Commit-Queue: Bill Ticehurst <[email protected]>
    Cr-Commit-Position: refs/heads/master@{#66179}

Refs: v8/v8@1e36e21

Author: mmarchini

common.gypi

@@ -35,7 +35,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.5',
+    'v8_embedder_string': '-node.6',
 
     ##### V8 defaults for Node.js #####