fix(create_test_release_jobs): add '-test' suffix to job name
fix(create_test_release_jobs): add '-test' suffix to job name

Relang team asked for having the job name identical to the
displayname to avoid confusion

Ref: https://github.com/scylladb/scylla-pkg/pull/1338

scylladb/scylla-longevity-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests