deps: disable V8 concurrent sparkplug compilation

It introduces process hangs on some platforms because Node.js doesn't tear down V8 correctly. Disable it while we work on a solution. Refs: #47297 Refs: https://bugs.chromium.org/p/v8/issues/detail?id=13902 PR-URL: #47450 Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Michael Dawson <midawson@redhat.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Author: targos

common.gypi

@@ -36,7 +36,7 @@
 
  # 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.2',
+ 'v8_embedder_string': '-node.3',
 
  ##### V8 defaults for Node.js #####
 

deps/v8/src/flags/flag-definitions.h

@@ -828,7 +828,7 @@ DEFINE_BOOL(baseline_batch_compilation, true, "batch compile Sparkplug code")
 DEFINE_BOOL_READONLY(concurrent_sparkplug, false,
  "compile Sparkplug code in a background thread")
 #else
-DEFINE_BOOL(concurrent_sparkplug, ENABLE_SPARKPLUG_BY_DEFAULT,
+DEFINE_BOOL(concurrent_sparkplug, false,
  "compile Sparkplug code in a background thread")
 DEFINE_WEAK_IMPLICATION(future, concurrent_sparkplug)
 DEFINE_NEG_IMPLICATION(predictable, concurrent_sparkplug)