v0.11.153

Changes

Redis ratelimit monitoring (#1527)
pass context to redis calls

• typo fix

Docker image

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

docker run -it registry.opensource.zalan.do/pathfinder/skipper:v0.11.153 skipper --help
# arm64
docker run -it registry.opensource.zalan.do/pathfinder/skipper-arm64:v0.11.153 skipper --help
# arm v7 32bit
docker run -it registry.opensource.zalan.do/pathfinder/skipper-armv7:v0.11.153 skipper --help