Update ct (chart tester) version in CircleCI to 3.12.0

Author: tylervz

.circleci/config.yml

@@ -33,7 +33,7 @@ jobs:
 
   lint-charts:
     docker:
-      - image: quay.io/helmpack/chart-testing:v3.10.1
+      - image: quay.io/helmpack/chart-testing:v3.12.0
     steps:
       - checkout
       - run:

.circleci/install_charts.sh

@@ -4,7 +4,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-readonly CT_VERSION=v3.9.0
+readonly CT_VERSION=v3.12.0
 readonly KIND_VERSION=v0.20.=0
 readonly K8S_VERSION=v1.27.5