lib/fs: add canOverwrite arg to WriteFileAtomically when it is allowed to overwrite the file atomically if it already exists

lib/persistentqueue/persistentqueue.go

@@ -211,7 +211,7 @@ func tryOpeningQueue(path, name string, chunkFileSize, maxBlockSize, maxPendingB
 
 		// Create initial chunk file.
 		filepath := q.chunkFilePath(0)
-		if err := fs.WriteFileAtomically(filepath, nil); err != nil {
+		if err := fs.WriteFileAtomically(filepath, nil, false); err != nil {
 			return nil, fmt.Errorf("cannot create %q: %w", filepath, err)
 		}
 	}