tarball.go needed a license header

clients/gitlabrepo/tarball.go

@@ -1,3 +1,17 @@
+// Copyright 2021 Security Scorecard Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package gitlabrepo
 
 import (
@@ -137,7 +151,7 @@ func (handler *tarballHandler) getTarball() error {
 	return nil
 }
 
-//nolint: gocognit
+// nolint: gocognit
 func (handler *tarballHandler) extractTarball() error {
 	in, err := os.OpenFile(handler.tempTarFile, os.O_RDONLY, 0o644)
 	if err != nil {