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/inventory.rs

@@ -30,7 +30,7 @@ use anyhow::{bail, Error};
 use serde::{Serialize, Deserialize};
 use serde_json::json;
 
-use proxmox::tools::fs::{replace_file, file_get_json, CreateOptions};
+use proxmox_sys::fs::{replace_file, file_get_json, CreateOptions};
 use proxmox_uuid::Uuid;
 
 use proxmox_time::compute_next_event;