Dispatcher: Use std::vector as the underlying container for std::stack

By default std::stack uses the heavyweight std::deque container for storage,
but std::vector is perfectly suitable for our purposes and it has better
performance characteristics.

External/FEXCore/Source/Interface/Core/Dispatcher/Dispatcher.h

@@ -80,7 +80,7 @@ protected:
 
   ArchHelpers::Context::ContextBackup* StoreThreadState(int Signal, void *ucontext);
   void RestoreThreadState(void *ucontext);
-  std::stack<uint64_t> SignalFrames;
+  std::stack<uint64_t, std::vector<uint64_t>> SignalFrames;
 
   bool SRAEnabled = false;
   virtual void SpillSRA(void *ucontext, uint32_t IgnoreMask) {}