Change isNaN to Number.isNaN

* Change isNaN to Number.isNaN

* == to ===

---------

Co-authored-by: Jay <jasonsaayman@gmail.com>

dist/node/axios.cjs

@@ -3027,7 +3027,7 @@ const httpAdapter = isHttpAdapterSupported && function httpAdapter(config) {
       // This is forcing a int timeout to avoid problems if the `req` interface doesn't handle other types.
       const timeout = parseInt(config.timeout, 10);
 
-      if (isNaN(timeout)) {
+      if (Number.isNaN(timeout)) {
         reject(new AxiosError(
           'error trying to parse `config.timeout` to int',
           AxiosError.ERR_BAD_OPTION_VALUE,