move ApiConfig, FileLogger and CommandoSocket to proxmox-rest-server workspace

ApiConfig: avoid using  pbs_config::backup_user()
CommandoSocket: avoid using  pbs_config::backup_user()
FileLogger: avoid using  pbs_config::backup_user()
- use atomic_open_or_create_file()

Auth Trait: moved definitions to proxmox-rest-server/src/lib.rs
- removed CachedUserInfo patrameter
- return user as String (not Authid)

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

pbs-systemd/Cargo.toml

@@ -11,6 +11,6 @@ bitflags = "1.2.1"
 lazy_static = "1.4"
 nom = "5.1"
 
-proxmox = { version = "0.13.0", default-features = false }
+proxmox = { version = "0.13.3", default-features = false }
 
 pbs-tools = { path = "../pbs-tools" }