Merge branch 'cherry-pick-for-thanos-merge' into 'master'

chart/templates/NOTES.txt

chart/templates/grafana/values.yaml

chart/templates/monitoring/thanos-objstore-secret.yaml

chart/templates/monitoring/values.yaml

chart/templates/thanos/gitrepository.yaml

chart/templates/thanos/helmrelease.yaml

chart/templates/thanos/imagepullsecret.yaml

chart/templates/thanos/namespace.yaml

chart/templates/thanos/values.yaml

chart/values.schema.json

chart/values.yaml

tests/test-values.yaml