update to proxmox-sys 0.2 crate

- imported pbs-api-types/src/common_regex.rs from old proxmox crate
- use hex crate to generate/parse hex digest
- remove all reference to proxmox crate (use proxmox-sys and
  proxmox-serde instead)

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>

src/tape/drive/lto/mod.rs

@@ -23,7 +23,7 @@ use pbs_api_types::{
     Fingerprint, MamAttribute, LtoDriveAndMediaStatus, LtoTapeDrive, Lp17VolumeStatistics,
 };
 use pbs_config::key_config::KeyConfig;
-use pbs_tools::run_command;
+use proxmox_sys::command::run_command;
 use pbs_tape::{
     TapeWrite, TapeRead, BlockReadError, MediaContentHeader,
     sg_tape::{SgTape, TapeAlertFlags},