Update dependency helm/helm to v3.20.2

Signed-off-by: Mend Renovate <bot@renovateapp.com>

Author: renovate-bot

Makefile

@@ -11,7 +11,7 @@ include ./version.mk
 # Helper software versions
 CONTROLLER_TOOLS_VERSION := v0.19.0
 GOLANGCI_VERSION := v2.8.0
-HELM_VERSION := v3.20.1
+HELM_VERSION := v3.20.2
 KUBECTL_VERSION := v1.35.1
 KUSTOMIZE_VERSION := v5.8.1
 OPERATOR_SDK_VERSION := v1.42.0