Version bump for netbootxyz/ubuntu-squash:clonezilla-testing new tag 20201222-groovy-18e78f5f

endpoints.yml

@@ -622,7 +622,7 @@ endpoints:
     flavor: stable
     kernel: clonezilla-ubuntu-stable
   clonezilla-ubuntu-testing:
-    path: /ubuntu-squash/releases/download/20201124-groovy-bd9d9735/
+    path: /ubuntu-squash/releases/download/20201222-groovy-18e78f5f/
     files:
     - filesystem.squashfs
     - initrd