`lk-archive ls` sorts versions alphanumerically

[dos1]

lk-archive ls list the packages with their versions sorted in alphanumerical order, which can get somewhat confusing.

          ╷                          ╷            ╷                                                               ╷           ╷                
  Package │ Version                  │ Repository │ Suites                                                        │ Component │ Architectures  
╶─────────┼──────────────────────────┼────────────┼───────────────────────────────────────────────────────────────┼───────────┼───────────────╴
  grub2   │ 2.02+dfsg1-4pureos1      │ pureos     │ amber                                                         │ main      │ amd64          
  grub2   │ 2.02+dfsg1-4pureos1      │ pureos     │ amber                                                         │ main      │ source         
  grub2   │ 2.06-13+deb12u1pureos1.1 │ pureos     │ crimson crimson-updates crimson-updates-proposed dawn landing │ main      │ amd64          
  grub2   │ 2.06-13+deb12u1pureos1.1 │ pureos     │ crimson crimson-updates crimson-updates-proposed dawn landing │ main      │ source         
  grub2   │ 2.06-3pureos1u1~deb11u5  │ pureos     │ byzantium                                                     │ main      │ amd64          
  grub2   │ 2.06-3pureos1u1~deb11u5  │ pureos     │ byzantium                                                     │ main      │ source         

[ximion]

Yeah, that's due to pure laziness - the code that sorts this is rather basic. Patches are welcome!