0.2.2

I changed docker registry to ghcr.io, so please change your docker image or reinstall from kustomize.

Changed

• #96 Use ghcr.io as default docker registry in install
• #90 Bump github.com/sirupsen/logrus from 1.6.0 to 1.7.0
• #94 Drop docker build in CircleCI
• #92 Create docker-publish.yml
• #93 Fix go version in Dockerfile
• #91 Update golang version to 1.15
• #52 Bump github.com/slok/kubewebhook from 0.9.1 to 0.10.0