Merge branch 'branch-0.5.0' into '0.5.0'

fix build error

See merge request megasearch/milvus!780

Former-commit-id: 3d1cbeda77f3319c7d391de737c9e0a434cdc569

core/src/index/knowhere/knowhere/index/vector_index/IndexIVF.cpp

@@ -31,11 +31,14 @@
 
 #include "knowhere/adapter/VectorAdapter.h"
 #include "knowhere/common/Exception.h"
+#include "knowhere/common/Log.h"
 #include "knowhere/index/vector_index/IndexGPUIVF.h"
 #include "knowhere/index/vector_index/IndexIVF.h"
 
 namespace knowhere {
 
+using stdclock = std::chrono::high_resolution_clock;
+
 IndexModelPtr
 IVF::Train(const DatasetPtr& dataset, const Config& config) {
     auto build_cfg = std::dynamic_pointer_cast<IVFCfg>(config);