Sliver implants don't work anymore

[whotwagner]

When attackmate generates an implant, the implant looks in sliver like:

 Name         Implant Type   Template   OS/Arch           Format   Command & Control            Debug
============ ============== ========== ============= ============ ============================ =======
 badimplant   session        sliver     linux/amd64   EXECUTABLE   [1] https://faaacebook.com   false

The c2 should use the mtls-protocol. Manually generated implants look like following:

Name          Implant Type   Template   OS/Arch           Format   Command & Control               Debug
============= ============== ========== ============= ============ =============================== =======
 GREEK_VELDT   session        sliver     linux/amd64   EXECUTABLE   [1] mtls://faaacebook.com:443   true

It's time to check the sliver-py api and check if the protobuf-schema changed in sliver and extend the options in a way, that mtls dns aso are useable too.