Add socket.TCP_CONNECTION_INFO (#7755)

python/cpython#69256

stdlib/_socket.pyi

@@ -271,6 +271,8 @@ TCP_SYNCNT: int
 TCP_WINDOW_CLAMP: int
 if sys.version_info >= (3, 7):
     TCP_NOTSENT_LOWAT: int
+if sys.version_info >= (3, 11) and sys.platform == "darwin":
+    TCP_CONNECTION_INFO: int
 
 # Specifically-documented constants