update to first proxmox crate split

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

tests/blob_writer.rs

@@ -1,7 +1,8 @@
-use anyhow::{bail, Error};
 use std::sync::Arc;
 use std::io::Cursor;
 use std::io::{Read, Write, Seek, SeekFrom };
+
+use anyhow::{bail, Error};
 use lazy_static::lazy_static;
 
 use pbs_tools::crypt_config::CryptConfig;