Version bump for netbootxyz/asset-mirror:proxmox-backup-server new tag 2.1-1-7dc21774

endpoints.yml

@@ -1874,7 +1874,7 @@ endpoints:
     flavor: intel-amd
     kernel: pop-21.10-default-squash
   proxmox-backup-server:
-    path: /asset-mirror/releases/download/2.1-1-4284f5d8/
+    path: /asset-mirror/releases/download/2.1-1-7dc21774/
     files:
     - initrd
     - proxmox-backup-server.iso