Bump fixed aptly submodule.

Change-Id: Ie29cb0742a9f9c39d18a441a164471d6487313df
diff --git a/classes/cluster/mcp-offline/infra/mirror b/classes/cluster/mcp-offline/infra/mirror
index 3d996d2..3a8b1bd 160000
--- a/classes/cluster/mcp-offline/infra/mirror
+++ b/classes/cluster/mcp-offline/infra/mirror
@@ -1 +1 @@
-Subproject commit 3d996d21830e449075bc98718f4df2eed4a38644
+Subproject commit 3a8b1bd98337d83d253a78880a93f2b070859c56