Allow TLS v1.2 to be minimum version

Updates test_min_max_version to allow TLS v1.2 to be minimum version if
TLS 1.0 and 1.1 are disabled in OpenSSL.

Author: colin-pm

Lib/test/test_ssl.py

@@ -1156,7 +1156,12 @@ def test_min_max_version(self):
         ctx.maximum_version = ssl.TLSVersion.MINIMUM_SUPPORTED
         self.assertIn(
             ctx.maximum_version,
-            {ssl.TLSVersion.TLSv1, ssl.TLSVersion.TLSv1_1, ssl.TLSVersion.SSLv3}
+            {
+                ssl.TLSVersion.TLSv1,
+                ssl.TLSVersion.TLSv1_1,
+                ssl.TLSVersion.TLSv1_2,
+                ssl.TLSVersion.SSLv3,
+            }
         )
 
         ctx.minimum_version = ssl.TLSVersion.MAXIMUM_SUPPORTED