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/api2/tape/drive.rs

@@ -6,7 +6,7 @@ use std::collections::HashMap;
 use anyhow::{bail, format_err, Error};
 use serde_json::Value;
 
-use proxmox::{sortable, identity};
+use proxmox_sys::{sortable, identity};
 use proxmox_router::{
     list_subdirs_api_method, Permission, Router, RpcEnvironment, RpcEnvironmentType, SubdirMap,
 };