Fix missing Vulkan dependency of VmaExample

src/CMakeLists.txt

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 228d86e..faad73f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -108,6 +108,7 @@
 
             PRIVATE
             VmaLibrary
+            Vulkan::Vulkan
         )
     else()
         message(STATUS "VmaExample application is not supported to Linux")