Merge branch 'branch-0.5.1' into 'branch-0.5.0'

MS-658 SQ8Hybrid can't search

See merge request megasearch/milvus!730

Former-commit-id: aae0252b66d2bc855f9867914249b974bbd21f7c

core/CHANGELOG.md

@@ -23,6 +23,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-652 - IVFSQH quantization double free
 - MS-605 - Server going down during searching vectors
 - MS-654 - Describe index timeout when building index
+- MS-658 - Fix SQ8 Hybrid can't search
 
 ## Improvement
 - MS-552 - Add and change the easylogging library