fix(deps): update dependency gcf-utils to v1.6.0 (#256)
fix(deps): update dependency gcf-utils to v1.6.0 (#256)

Co-authored-by: Benjamin E. Coe <69440dae14aaa9fe2429b324bfce03449d09e1db@google.com>

googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots