Don't validate certs for when stopping server (#959)

Author: Zsailer

jupyter_server/utils.py

@@ -337,7 +337,7 @@ async def resolve(self, host, port, *args, **kwargs):
 
     # Yield the request for the given client.
     url = urlunsplit(parts)
-    request = HTTPRequest(url, method=method, body=body, headers=headers)
+    request = HTTPRequest(url, method=method, body=body, headers=headers, validate_cert=False)
     yield request