Merge branch 'update-registry-version' into 'master'

Update registry version to 3.2.1

See merge request !8

requirements.txt

@@ -5,4 +5,4 @@ motor==2.1.0
 aiotask_context
 prozorro-tools==0.8.0
 prozorro-mirror==3.18.3
-prozorro-registry==3.2.0
+prozorro-registry==3.2.1