Minor change in yaml indentation in kubeconfig presentation

Change-Id: I053778789d6068f35bd761e93c7f3ed5f089bc3c
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osmclient/sol005/cluster.py b/osmclient/sol005/cluster.py
index 8aa4b28..fb7a8d6 100644
--- a/osmclient/sol005/cluster.py
+++ b/osmclient/sol005/cluster.py
@@ -80,7 +80,7 @@
                     item = self.get(name)
                     print(
                         yaml.safe_dump(
-                            item["credentials"], indent=4, default_flow_style=False
+                            item["credentials"], indent=2, default_flow_style=False
                         )
                     )
                 else: