build: add new kokoro config for coverage and release-please (#58)
build: add new kokoro config for coverage and release-please (#58)

* build: add new kokoro config for release-please and coverage

* build: actually commit the config

* fix: do not fail test if nyc did not run

googleapis/google-cloud-node,googleapis/google-cloud-node,googleapis/google-cloud-node,googleapis/google-cloud-node