tls: support TLS_client_method, TLS_server_method

Add the two TLS protocol method functions which were missing. They seem
useful, and are already documented as being supported (indirectly, our
docs just point to OpenSSL's docs).

PR-URL: #24386
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>

src/node_crypto.cc

@@ -431,6 +431,14 @@ void SecureContext::Init(const FunctionCallbackInfo<Value>& args) {
  } else if (strcmp(*sslmethod, "TLS_method") == 0) {
  min_version = 0;
  max_version = 0;
+ } else if (strcmp(*sslmethod, "TLS_server_method") == 0) {
+ min_version = 0;
+ max_version = 0;
+ method = TLS_server_method();
+ } else if (strcmp(*sslmethod, "TLS_client_method") == 0) {
+ min_version = 0;
+ max_version = 0;
+ method = TLS_client_method();
  } else if (strcmp(*sslmethod, "TLSv1_method") == 0) {
  min_version = TLS1_VERSION;
  max_version = TLS1_VERSION;