chore(deps): update quay.io/cortexproject/cortex docker tag to v1.20.1#577

kd7lxl merged 2 commits intomastercortexproject/cortex-helm-chart:masterfrom

renovate/quay.io-cortexproject-cortex-1.xcortexproject/cortex-helm-chart:renovate/quay.io-cortexproject-cortex-1.xCopy head branch name to clipboard