[dxvk] Use synchronization2 functions for timestamp queries

Again not really making use of the new stage flags, but might as well
call the function. Oversight from earlier changes.

src/dxvk/dxvk_cmdlist.h

@@ -762,10 +762,10 @@ namespace dxvk {
 
 
     void cmdWriteTimestamp(
-            VkPipelineStageFlagBits pipelineStage,
+            VkPipelineStageFlagBits2 pipelineStage,
             VkQueryPool             queryPool,
             uint32_t                query) {
-      m_vkd->vkCmdWriteTimestamp(m_execBuffer,
+      m_vkd->vkCmdWriteTimestamp2(m_execBuffer,
         pipelineStage, queryPool, query);
     }