Update proxy_list with a working example

Author: mdmintz

seleniumbase/config/proxy_list.py

@@ -16,11 +16,10 @@
 If you don't already have a proxy server to connect to,
 you can try finding one from one of following sites:
 * https://www.us-proxy.org/
-* https://proxyservers.pro/proxy/list/protocol/http/country/US/
 """
 
 PROXY_LIST = {
-    "example1": "104.248.161.173:8080",  # (Example) - set your own proxy here
+    "example1": "40.114.109.214:3128",  # (Example) - set your own proxy here
     "proxy1": None,
     "proxy2": None,
     "proxy3": None,