[3.10] bpo-44389: Fix deprecation of OP_NO_TLSv1_3 (GH-26700) (GH-26705)



Signed-off-by: Christian Heimes <christian@python.org>
(cherry picked from commit bf527277d4e4907e32d76ca7ba667ab3149fe258)


Co-authored-by: Christian Heimes <christian@python.org>

Automerge-Triggered-By: GH:tiran
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 1080fa6..26f31f8 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -3587,7 +3587,7 @@ set_options(PySSLContext *self, PyObject *arg, void *c)
     long new_opts, opts, set, clear;
     long opt_no = (
         SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 |
-        SSL_OP_NO_TLSv1_1 | SSL_OP_NO_TLSv1_2
+        SSL_OP_NO_TLSv1_1 | SSL_OP_NO_TLSv1_2 | SSL_OP_NO_TLSv1_3
     );
 
     if (!PyArg_Parse(arg, "l", &new_opts))