WHAT
Currently the ENG GCP account is used by default and for nightly pipeline in Jenkins. Add QE GCP account to Jenkins and make this one default for nightly pipelines.

HOW
Add gcp master key to secrets similar to:
https://gitlab.cee.redhat.com/integreatly-qe/ci-cd/-/blob/master/secrets/gcp-osd-master-key

Make the QE GCP account default here:
https://gitlab.cee.redhat.com/integreatly-qe/ci-cd/-/blob/master/pipelines/managed-api-install-master.groovy#L33

In parameters for master pipeline there could be a selector there so it is easy for people to pick the account that is needed. Either https://gitlab.cee.redhat.com/integreatly-qe/ci-cd/-/blob/master/jobs/ManagedAPI/managed-api-install-master.groovy or in https://gitlab.cee.redhat.com/integreatly-qe/ci-cd/-/blob/master/job-dsl-lib/JobSharedUtils.groovy#L27

TESTS
N/A

DONE

• QE GCP account being the default one and also used in nightly pipeline