Release 20210727.6970ef4

[20210727]

Changed

• Prepare Dockerfile to build in OSBS (#43)

Images

• che-idea
  • https://quay.io/repository/che-incubator/che-idea?tab=tags
• che-pycharm
  • https://quay.io/repository/che-incubator/che-pycharm?tab=tags