Bump reclass-system version

Add parameter change default => is_default
https://gerrit.mcp.mirantis.com/#/c/30323/

Change-Id: I804ecb98ea0dc25e4a255e187684eb9b59813d45
Related-prod: PROD-23295 PROD-23298
diff --git a/classes/system b/classes/system
index 463c329..6de0d28 160000
--- a/classes/system
+++ b/classes/system
@@ -1 +1 @@
-Subproject commit 463c32968d4b87fcc8d932a85cd0880cf8670486
+Subproject commit 6de0d28f32de694f1f2eeef83a877c78f85996e1