* Add CI task to upload test coverage to codecov
Backstage CLI runs tests in coverage mode. Jest generates coverage reports in individual
coverage/ directories of packages.
We don't need a Codecov token here because our repository is public
* Upload test coverage on master build
* tests and coverage upload have to be run in same CI task
* try coverage report with yarn test:all
* Use yarn test and test:all commands
* Use lower level commands on CI
* CLI working ✅
* Do not upload partial coverage reports
Himanshu Mishra
735411f332