fix typing

Author: mykola-mokhnach

lib/winappdriver.js

@@ -165,6 +165,7 @@ export class WinAppDriver {
     });
     await this.process.start();
 
+    /** @type {import('@appium/types').ProxyOptions} */
     const proxyOpts = {
       log: this.log,
       base: this.process.base,
@@ -230,11 +231,12 @@ export class WinAppDriver {
         `Cannot parse the provided WinAppDriver URL '${url}'. Original error: ${e.message}`
       );
     }
+    /** @type {import('@appium/types').ProxyOptions} */
     const proxyOpts = {
       log: this.log,
       base: parsedUrl.pathname,
       server: parsedUrl.hostname,
-      port: parsedUrl.port,
+      port: parseInt(parsedUrl.port, 10),
       scheme: _.trimEnd(parsedUrl.protocol, ':'),
     };
     if (this.opts.reqBasePath) {