move worker_task.rs into proxmox-rest-server crate

Also moved pbs-datastore/src/task.rs to pbs-tools, which now depends on 'log'.

src/server/pull.rs

@@ -13,7 +13,7 @@ use serde_json::json;
 use proxmox::api::error::{HttpError, StatusCode};
 
 use pbs_api_types::{Authid, SnapshotListItem, GroupListItem};
-use pbs_datastore::{task_log, BackupInfo, BackupDir, BackupGroup, StoreProgress};
+use pbs_datastore::{BackupInfo, BackupDir, BackupGroup, StoreProgress};
 use pbs_datastore::data_blob::DataBlob;
 use pbs_datastore::dynamic_index::DynamicIndexReader;
 use pbs_datastore::fixed_index::FixedIndexReader;
@@ -22,11 +22,12 @@ use pbs_datastore::manifest::{
     CLIENT_LOG_BLOB_NAME, MANIFEST_BLOB_NAME, ArchiveType, BackupManifest, FileInfo, archive_type
 };
 use pbs_tools::sha::sha256;
+use pbs_tools::task_log;
 use pbs_client::{BackupReader, BackupRepository, HttpClient, HttpClientOptions, RemoteChunkReader};
+use proxmox_rest_server::WorkerTask;
 
 use crate::{
     backup::DataStore,
-    server::WorkerTask,
     tools::ParallelHandler,
 };