Merge pull request #347 from rancher/renovate/helm-helm-3.x

chore(deps): update dependency helm/helm to v3.15.4

Author: andypitcher

hack/make/deps.mk

@@ -6,4 +6,4 @@ K3D_VERSION = v5.7.3
 # TODO: Bump aligned with Rancher Manager release line
 KUBECTL_VERSION = 1.28.12
 # renovate: datasource=github-release-attachments depName=helm/helm
-HELM_VERSION = v3.15.3
+HELM_VERSION = v3.15.4