File _patchinfo of Package patchinfo.2201

<patchinfo incident="2201">
  <issue id="970507" tracker="bnc">Update docker-registry to 2.3.1</issue>
  <category>recommended</category>
  <rating>moderate</rating>
  <packager>mssola</packager>
  <description>
This update provides docker-distribution 2.3.1, which brings the following fixes
and enhancements:

- Allow uppercase characters in hostnames.
- Fix schema1 manifest etag and docker content digest header.
- Add option to disable signatures.
- To avoid any network use unless necessary, delay establishing authorization.
- Extend authChallenger interface to remove type cast.
- Enable proxying registries to downgrade fetched manifests to Schema 1.

This Docker Registry release is the first to support the Image Manifest Version 2,
Schema 2 manifest format.
</description>
  <summary>Recommended update for docker-distribution</summary>
</patchinfo>