* add test coverage comments to PRs
* [skip ci] update test coverage
* [skip ci] add .gitattributes to avoid merge conflicts with test coverage
* exempt main and release branches from coverage job
* [skip ci] update test coverage
* [skip ci] update test coverage
* clean up debug line, exit early if missing files
* [skip ci] update test coverage
* extract repository into variable to make porting to ENT easier
* [skip ci] update test coverage
Co-authored-by: hc-github-team-consul-core <github-team-consul-core@hashicorp.com>