update: bump JSONNET and golangci-lint versions in Makefile

Author: 012xx

Makefile

@@ -1,8 +1,8 @@
 GIT := git
 PRE_COMMIT := pre-commit
 
-JSONNET_VERSION := v0.20.0
-GOLANGCI_VERSION := v1.64.6
+JSONNET_VERSION := v0.21.0
+GOLANGCI_VERSION := v2.8.0
 
 VERSION := v0.3.1
 
@@ -34,4 +34,4 @@ setup:
 	@go install github.com/google/go-jsonnet/cmd/jsonnet-lint@$(JSONNET_VERSION)
 	@go install github.com/google/go-jsonnet/cmd/jsonnetfmt@$(JSONNET_VERSION)
 
-	@curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin $(GOLANGCI_VERSION)
+	@go install github.com/golangci/golangci-lint/cmd/golangci-lint@$(GOLANGCI_VERSION)