Update runit cookbook to 4.3.x
To make it compatible with gitlab-exporters!79 (merged)
Part of the efforts to update to Ubuntu Bionic https://gitlab.com/gitlab-com/gl-infra/infrastructure/issues/6539
To make it compatible with gitlab-exporters!79 (merged)
Part of the efforts to update to Ubuntu Bionic https://gitlab.com/gitlab-com/gl-infra/infrastructure/issues/6539