vkjson: Use Vulkan API version 1.1 on VkJsonGetInstance

Class attempts to resolve entrypoints that are available only in
Vulkan API 1.1 such as GetPhysicalDeviceExternalSemaphoreProperties.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
diff --git a/vulkan/vkjson/vkjson_instance.cc b/vulkan/vkjson/vkjson_instance.cc
index db0450d..4ec442a 100644
--- a/vulkan/vkjson/vkjson_instance.cc
+++ b/vulkan/vkjson/vkjson_instance.cc
@@ -330,7 +330,7 @@
                                       1,
                                       "",
                                       0,
-                                      VK_API_VERSION_1_0};
+                                      VK_API_VERSION_1_1};
   VkInstanceCreateInfo instance_info = {
       VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
       nullptr,