Support UDS (Unix domain sockets (Unix systems only))

Signed-off-by: junjie.jiang <[email protected]>

pymilvus/orm/connections.py

@@ -254,6 +254,8 @@ def __get_full_address(
             return address, None
 
         if uri != "":
+            if uri.startswith("unix:"):
+                return uri, None
             address, parsed = self.__parse_address_from_uri(uri)
             return address, parsed