Bump reclass-system version

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

Change-Id: I79c8b630cd50caffb304ce1c4e69c14788e73327
Related-prod: PROD-23295 PROD-23298
diff --git a/classes/system b/classes/system
index ff423ed..6de0d28 160000
--- a/classes/system
+++ b/classes/system
@@ -1 +1 @@
-Subproject commit ff423edff0ff6be9871f89abf89fe3fb2d80f777
+Subproject commit 6de0d28f32de694f1f2eeef83a877c78f85996e1