fix namespace with vulkan 1.3.283.0 update

Index: external/VulkanMemoryAllocator-Hpp/include/vk_mem_alloc_funcs.hpp
--- external/VulkanMemoryAllocator-Hpp/include/vk_mem_alloc_funcs.hpp.orig
+++ external/VulkanMemoryAllocator-Hpp/include/vk_mem_alloc_funcs.hpp
@@ -1,6 +1,8 @@
 #ifndef VULKAN_MEMORY_ALLOCATOR_FUNCS_HPP
 #define VULKAN_MEMORY_ALLOCATOR_FUNCS_HPP
 
+using namespace vk::detail;
+
 namespace VMA_HPP_NAMESPACE {
 
 #ifndef VULKAN_HPP_DISABLE_ENHANCED_MODE
