Release process for cc-backend

Steps to prepare a release

1. On hotfix branch:

   • Update ReleaseNotes.md
   • Update version in Makefile
   • Commit, push, and pull request
   • Merge in master

2. On Linux host:

   • Pull master
   • Ensure that GitHub Token environment variable GITHUB_TOKEN is set
   • Create release tag: git tag v1.1.0 -m release
   • Execute goreleaser release