Merge pull request Automattic#15245 from hasezoey/unrefConnectionTimeout

fix(connection): unref the "_waitForConnect"

Author: vkarpov15

lib/connection.js

@@ -842,6 +842,11 @@ Connection.prototype._waitForConnect = async function _waitForConnect() {
           },
           bufferTimeoutMS
         );
+
+        // dont cause this timeout to keep the js process alive
+        if ('unref' in timeout) {
+          timeout.unref();
+        }
       })
     ]);