test: fix test-tls-no-sslv3 for OpenSSL 3

OpenSSL 3 has changed the format of the error message for an unknown
option to the CLI. Update the test to allow for the older and newer
message formats.

PR-URL: #38027
Refs: openssl/openssl#10774
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

test/parallel/test-tls-no-sslv3.js

@@ -38,7 +38,7 @@ server.listen(0, '127.0.0.1', function() {
 server.on('tlsClientError', (err) => errors.push(err));
 
 process.on('exit', function() {
-  if (/unknown option -ssl3/.test(stderr)) {
+  if (/[Uu]nknown option:? -ssl3/.test(stderr)) {
     common.printSkipMessage('`openssl s_client -ssl3` not supported.');
   } else {
     assert.strictEqual(errors.length, 1);