bump version to 1.6.0

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

debian/changelog

@@ -1,3 +1,24 @@
+libproxmox-acme (1.6.0) bookworm; urgency=medium
+
+  * update acme.sh plugins to the current git master state based on 3.1.0.
+    This includes various fixes and improvements for existing plugins and the
+    *addition* of the following new plugins:
+      - alviy
+      - ionos_cloud
+      - limacity
+      - omglol
+      - technitium
+      - timeweb
+      - west_cn
+      - yandex360
+      - zoneedit
+    Additionally the following plugins got *removed* as their API enpoints are
+    disfunctional:
+      - do
+      - yandex (superseded by yandex360)
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 18 Feb 2025 18:18:14 +0100
+
 libproxmox-acme (1.5.1) bookworm; urgency=medium
 
   * eba: support decoding MAC key provided in base64url format