chore: update k3d version to 1.28 (#346)

* update k3d to default to version 1.28

* use 1.28.7

* use latest version of k3d tools

hack/ci/Makefile

@@ -2,6 +2,7 @@ PROJECT_ROOT ?= ../..
 KYMA_CLI ?= "${PROJECT_ROOT}/${KYMA}"
 CLUSTER_NAME ?= kyma
 REGISTRY_PORT ?= 5001
+K3D_VERSION ?= 1.28.7
 
 ifndef MODULE_VERSION
 	include ${PROJECT_ROOT}/.version
@@ -21,8 +22,8 @@ install-latest-nats-manager-release: ## Install nats-manager only.
 
 .PHONY: create-k3d
 create-k3d: ## Create k3d with kyma CRDs.
-	"${KYMA_CLI}" provision k3d -p 8081:80@loadbalancer -p 8443:443@loadbalancer --registry-port ${REGISTRY_PORT} --name ${CLUSTER_NAME} --ci
+	"${KYMA_CLI}" provision k3d -p 8081:80@loadbalancer -p 8443:443@loadbalancer --registry-port ${REGISTRY_PORT} -k ${K3D_VERSION} --name ${CLUSTER_NAME} --ci
 
 .PHONY: install-k3d-tools
 install-k3d-tools: ## Create k3d with kyma CRDs.
-	curl -s https://raw.githubusercontent.com/k3d-io/k3d/main/install.sh | TAG=${K3D_VERSION} bash
+	curl -s https://raw.githubusercontent.com/k3d-io/k3d/main/install.sh | bash