http2: override authority with options

Make `options.host` and `options.port` take precedence over
`authority.host` and `authority.port` respectively.

PR-URL: https://github.com/nodejs/node/pull/28584
Fixes: https://github.com/nodejs/node/issues/28182
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

lib/internal/http2/core.js

@@ -2795,7 +2795,7 @@ function connect(authority, options, listener) {
   } else {
     switch (protocol) {
       case 'http:':
-        socket = net.connect(port, host);
+        socket = net.connect(options.port || port, options.host || host);
         break;
       case 'https:':
         socket = tls.connect(port, host, initializeTLSOptions(options, host));

test/parallel/test-http2-connect.js

@@ -101,3 +101,18 @@ if (hasIPv6) {
     }
   }));
 }
+
+// Check that `options.host` and `options.port` take precedence over
+// `authority.host` and `authority.port`.
+{
+  const server = createServer();
+  server.listen(0, mustCall(() => {
+    connect('http://foo.bar', {
+      host: 'localhost',
+      port: server.address().port
+    }, mustCall((session) => {
+      session.close();
+      server.close();
+    }));
+  }));
+}