Grammar fix to socket error string (GH-93523) (GH-93560)

(cherry picked from commit 890c3be)

Co-authored-by: Evorage <owner@evorage.com>

Author: miss-islington

Lib/socket.py

@@ -122,7 +122,7 @@ def _intenum_converter(value, enum_klass):
     errorTab[10014] = "A fault occurred on the network??"  # WSAEFAULT
     errorTab[10022] = "An invalid operation was attempted."
     errorTab[10024] = "Too many open files."
-    errorTab[10035] = "The socket operation would block"
+    errorTab[10035] = "The socket operation would block."
     errorTab[10036] = "A blocking operation is already in progress."
     errorTab[10037] = "Operation already in progress."
     errorTab[10038] = "Socket operation on nonsocket."