Update dependency helm/helm to v3.15.2

Author: renovate-rancher[bot]

Dockerfile.dapper

@@ -13,7 +13,7 @@ ENV CATTLE_K3S_VERSION v1.24.8+k3s1
 # version used by helm plugin install script
 ENV CATTLE_HELM_UNITTEST_VERSION v0.1.7-rancher4
 # helm 3 version
-ENV HELM_VERSION v3.9.0
+ENV HELM_VERSION v3.15.2
 ENV KUSTOMIZE_VERSION v4.5.7
 
 ENV YQ_VERSION=v4.30.8

package/Dockerfile

@@ -42,7 +42,7 @@ ENV LINODE_UI_DRIVER_VERSION v0.4.0
 # make sure the version number is consistent with the one at Line 100 of pkg/data/management/machinedriver_data.go
 ENV DOCKER_MACHINE_HARVESTER_VERSION v0.5.0
 ENV CATTLE_KDM_BRANCH ${CATTLE_KDM_BRANCH}
-ENV HELM_VERSION v3.9.0
+ENV HELM_VERSION v3.15.2
 ENV CATTLE_WINS_AGENT_VERSION v0.4.11
 ENV CATTLE_WINS_AGENT_INSTALL_SCRIPT https://raw.githubusercontent.com/rancher/wins/${CATTLE_WINS_AGENT_VERSION}/install.ps1
 ENV CATTLE_WINS_AGENT_UNINSTALL_SCRIPT https://raw.githubusercontent.com/rancher/wins/${CATTLE_WINS_AGENT_VERSION}/uninstall.ps1