Use TypeAlias for type aliases where possible, part II (#7667)

stubs/redis/redis/connection.pyi

@@ -1,6 +1,7 @@
 from _typeshed import Self
 from collections.abc import Mapping
 from typing import Any
+from typing_extensions import TypeAlias
 
 from .retry import Retry
 
@@ -12,7 +13,7 @@ SYM_EMPTY: Any
 SERVER_CLOSED_CONNECTION_ERROR: Any
 
 # Options as passed to Pool.get_connection().
-_ConnectionPoolOptions = Any
+_ConnectionPoolOptions: TypeAlias = Any
 
 class BaseParser:
     EXCEPTION_CLASSES: Any