fix: prevent gin_helper::Locker heap allocation (#39872)

fix: prevent gin_helper::Locker heap allocation

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>

shell/common/gin_helper/locker.h

@@ -21,6 +21,10 @@ class Locker {
   Locker(const Locker&) = delete;
   Locker& operator=(const Locker&) = delete;
 
+  // prevent heap allocation
+  void* operator new(size_t size) = delete;
+  void operator delete(void*, size_t) = delete;
+
  private:
   const std::unique_ptr<v8::Locker> locker_;
 };