Declare default server port constant alias for compatibility

(#203)

Author: femarchi

src/ansys/rocky/core/client.py

@@ -44,6 +44,8 @@
 _LEGACY_PROXY_INSTANCE: Pyro5.api.Proxy | None = None  # Used for backward compatibility with versions < 26.1
 _CONNECT_TO_SERVER_TIMEOUT = 60
 
+DEFAULT_SERVER_PORT = _PYROCKY_DEFAULT_PORT  # Compatibility with dependants that still import this constant.
+
 
 def connect_to_rocky(  # pragma: no cover
     host: str = "localhost", port: int = _PYROCKY_DEFAULT_PORT