[#151623850] Move `update-releases-coverage-test` to runtime-ci repo
[#151623850] Move `update-releases-coverage-test` to runtime-ci repo

Signed-off-by: Heather Farley <0d4ffd0f78685d2727c41eaf7e5fae11618046f2@gmail.com>

cloudfoundry/cf-deployment,emalm/cf-deployment,cloudfoundry/cf-deployment