fix(win): close or destroy tcp socket for net.connect & net.createServer

- use socket.destroy for node 16 compat on windows

src/pact.integration.spec.ts

@@ -133,6 +133,7 @@ describe('V4 Pact', () => {
             return new Promise((resolve) => {
               socket.on('data', (data) => {
                 resolve(parseMattMessage(data.toString()));
+                socket.end();
               });
             });
           };