fix: trailing slash on kube/config (#53)

Author: tomplus

kubernetes_asyncio/config/kube_config.py

@@ -326,7 +326,7 @@ def _load_user_pass_token(self):
 
     def _load_cluster_info(self):
         if 'server' in self._cluster:
-            self.host = self._cluster['server']
+            self.host = self._cluster['server'].rstrip('/')
             if self.host.startswith("https"):
                 self.ssl_ca_cert = FileOrData(
                     self._cluster, 'certificate-authority',