tls: disable TLS v1.0 and v1.1 by default

Refs: https://blog.mozilla.org/security/2018/10/15/removing-old-versions-of-tls/

PR-URL: https://github.com/nodejs/node/pull/23814
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

test/parallel/test-https-agent-additional-options.js

@@ -1,3 +1,4 @@
+// Flags: --tls-v1.1
 'use strict';
 const common = require('../common');
 if (!common.hasCrypto)
@@ -34,7 +35,7 @@ const updatedValues = new Map([
   ['ecdhCurve', 'secp384r1'],
   ['honorCipherOrder', true],
   ['secureOptions', crypto.constants.SSL_OP_CIPHER_SERVER_PREFERENCE],
-  ['secureProtocol', 'TLSv1_method'],
+  ['secureProtocol', 'TLSv1_1_method'],
   ['sessionIdContext', 'sessionIdContext'],
 ]);