chore(deb): add 0.3.1-2 changelog entry

Author: msinhore

host-agent/debian/changelog

@@ -1,3 +1,11 @@
+firecracker-cloudstack-agent (0.3.1-2) unstable; urgency=medium
+
+  * Fix VM provisioning to honor `maxRam` from CloudStack payloads when
+    generating Firecracker configs.
+  * Update documentation with a full agent configuration reference table.
+
+ -- Marco Sinhoreli <msinhore@gmail.com>  Thu, 16 Oct 2025 17:58:12 +0000
+
 firecracker-cloudstack-agent (0.3.1-1) unstable; urgency=medium
 
   * Make the embedded UI configurable (enable/disable + session timeout) via