Copyright for golang-github-prometheus-procfs source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: github.com/prometheus/procfs
Source: https://github.com/prometheus/procfs/

Files: *
Copyright: 2014-2015 The Prometheus Authors
License: Apache-2.0

Files: ttar
Copyright: 2017 Roger Luethi
License: Apache-2.0

Files: debian/*
Copyright: 2015 Martina Ferrari 
           2020-2021 Sipwise GmbH, Austria
License: Apache-2.0

License: Apache-2.0
 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.
Comment:
 On Debian systems, the full text of the Apache License version 2 can be found
 in the file '/usr/share/common-licenses/Apache-2.0'.