skipper-ingress: update version to measure tcp lifo latency
skipper-ingress: update version to measure tcp lifo latency

https://github.com/zalando/skipper/compare/v0.13.185...v0.13.192

Signed-off-by: Alexander Yastrebov <eae7e668edc5c46138f9f868676f1f79abdef621@zalando.de>

zalando-incubator/kubernetes-on-aws,zalando-incubator/kubernetes-on-aws,zalando-incubator/kubernetes-on-aws