Replace cobertura report with code coverage
- All of our pipelines are currently failing because the cobertura report flag has now been deprecated
- Replace
cobertura
withcoverage_report
- See https://docs.gitlab.com/14.10/ee/ci/yaml/artifacts_reports.html#artifactsreportscobertura-deprecated
https://gitlab.com/reductech/sequence/console/-/merge_requests/143/pipelines