Test against k8s 1.33.2 (#328)

Signed-off-by: 1gtm <1gtm@appscode.com>

Author: 1gtm

Makefile

@@ -63,7 +63,7 @@ BASEIMAGE_DBG    ?= debian:12
 
 GO_VERSION       ?= 1.24
 BUILD_IMAGE      ?= ghcr.io/appscode/golang-dev:$(GO_VERSION)
-CHART_TEST_IMAGE ?= quay.io/helmpack/chart-testing:v3.11.0
+CHART_TEST_IMAGE ?= quay.io/helmpack/chart-testing:v3.13.0
 
 OUTBIN = bin/$(OS)_$(ARCH)/$(BIN)
 ifeq ($(OS),windows)