Update Helm to v3.12.2

Author: mboersma

Makefile

@@ -113,7 +113,7 @@ KUBECTL_VER := v1.25.6
 KUBECTL_BIN := kubectl
 KUBECTL := $(TOOLS_BIN_DIR)/$(KUBECTL_BIN)-$(KUBECTL_VER)
 
-HELM_VER := v3.11.3
+HELM_VER := v3.12.2
 HELM_BIN := helm
 HELM := $(TOOLS_BIN_DIR)/$(HELM_BIN)-$(HELM_VER)