chore(deps): update dependency helm/chart-testing to v3.13.0 (#741)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Makefile

@@ -320,7 +320,7 @@ mkcert: ## Download mkcert locally if necessary.
 	$(call go-install-tool,$(MKCERT),filippo.io/mkcert@$(MKCERT_VERSION))
 
 CT         := $(LOCALBIN)/ct
-CT_VERSION := v3.12.0
+CT_VERSION := v3.13.0
 CT_LOOKUP  := helm/chart-testing
 ct:
 	@test -s $(CT) && $(CT) version | grep -q $(CT_VERSION) || \