v0.27.38

Changes

tracing: use tags to reduce cost (#4148)

This is a follow up on #3882
where we didn't use the flag in some hotspots and is causing producing
huge amount of span events specially filters tracing

Multiarch Docker image

Multiarch Docker image is available in GitHub's docker registry:

docker run -it ghcr.io/zalando/skipper:v0.27.38 skipper --help