Update coverage_report keys in CI config
This MR updates the CI config to use the new coverage_report
key, see https://docs.gitlab.com/15.0/ee/ci/yaml/artifacts_reports.html#artifactsreportscobertura-removed.
This MR updates the CI config to use the new coverage_report
key, see https://docs.gitlab.com/15.0/ee/ci/yaml/artifacts_reports.html#artifactsreportscobertura-removed.