v0.13.58

Changes

Uses debug level when target endpoints are not found (#1772)
It may happen that deployment is scaled down to zero e.g. by stackset
controller or kube downscaler which leads to an empty endpoint list.
Each Skipper instance then logs info message about target endpoints not
found on every kubernetes poll cycle (default -source-poll-timeout is 3s)
and thus pollutes logs.
Logging seems redundant since the shunt route is created anyway.

Docker image

Docker image is available in Zalando's Open Source registry:

docker run -it registry.opensource.zalan.do/teapot/skipper:v0.13.58 skipper --help
# arm64
docker run -it registry.opensource.zalan.do/teapot/skipper-arm64:v0.13.58 skipper --help
# arm v7 32bit
docker run -it registry.opensource.zalan.do/teapot/skipper-armv7:v0.13.58 skipper --help