Prepare release v2.2.0 (#89)

Signed-off-by: Reinhard Nägele <unguiculus@gmail.com>

Author: unguiculus

examples/docker-for-mac/my_test.sh

@@ -18,7 +18,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-readonly IMAGE_TAG=v2.1.0
+readonly IMAGE_TAG=v2.2.0
 readonly IMAGE_REPOSITORY="quay.io/helmpack/chart-testing"
 
 main() {

examples/gke/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM quay.io/helmpack/chart-testing:v2.1.0
+FROM quay.io/helmpack/chart-testing:v2.2.0
 
 ENV PATH /google-cloud-sdk/bin:$PATH
 ARG CLOUD_SDK_VERSION=221.0.0

examples/kind/.circleci/config.yml

@@ -11,7 +11,7 @@ jobs:
             shellcheck -x test/e2e-kind.sh
   lint-charts:
     docker:
-      - image: quay.io/helmpack/chart-testing:v2.1.0
+      - image: quay.io/helmpack/chart-testing:v2.2.0
     steps:
       - checkout
       - run:
@@ -24,7 +24,7 @@ jobs:
     machine: true
     environment:
       CHART_TESTING_IMAGE: quay.io/helmpack/chart-testing
-      CHART_TESTING_TAG: v2.1.0
+      CHART_TESTING_TAG: v2.2.0
       CHARTS_REPO: https://github.com/your_git_repo/charts
       K8S_VERSION: "v1.12.3"
     steps: