chore: continue using the deprecated API

Author: GuillaumeLagrange

packages/core/src/native_core/linux_perf/utils.h

@@ -5,9 +5,9 @@
 
 static inline std::string
 v8LocalStringToString(v8::Local<v8::String> v8String) {
-  std::string buffer(v8String->Utf8LengthV2(v8::Isolate::GetCurrent()) + 1, 0);
-  v8String->WriteUtf8V2(v8::Isolate::GetCurrent(), &buffer[0],
-                      v8String->Utf8LengthV2(v8::Isolate::GetCurrent()) + 1);
+  std::string buffer(v8String->Utf8Length(v8::Isolate::GetCurrent()) + 1, 0);
+  v8String->WriteUtf8(v8::Isolate::GetCurrent(), &buffer[0],
+                      v8String->Utf8Length(v8::Isolate::GetCurrent()) + 1);
   // Sanitize name, removing unwanted \0 resulted from WriteUtf8
   return std::string(buffer.c_str());
 }