HYPERFLEET-1334 - chore: replace bingo with Go 1.24 tool directives

Makefile

@@ -1,4 +1,8 @@
-include .bingo/Variables.mk
+# golangci-lint version — installed as a dedicated binary (not via go.mod)
+# to avoid its massive dependency tree contaminating project dependencies.
+# See: https://golangci-lint.run/docs/welcome/install/local/
+GOLANGCI_LINT_VERSION ?= v2.7.0
+GOLANGCI_LINT = ./bin/golangci-lint-$(GOLANGCI_LINT_VERSION)
 
 .DEFAULT_GOAL := help
 
@@ -44,13 +48,13 @@ help: ## Display this help
 ##@ Code Generation
 
 .PHONY: generate
-generate: $(OAPI_CODEGEN) ## Generate API client code from OpenAPI schema
+generate: ## Generate API client code from OpenAPI schema
 	$(GO) mod download
 	rm -rf pkg/api/openapi
 	mkdir -p pkg/api/openapi openapi
 	@rm -f openapi/openapi.yaml
 	@cp "$$($(GO) list -m -f '{{.Dir}}' github.com/openshift-hyperfleet/hyperfleet-api-spec)/schemas/core/openapi.yaml" openapi/openapi.yaml
-	$(OAPI_CODEGEN) --config openapi/oapi-codegen.yaml openapi/openapi.yaml
+	$(GO) tool oapi-codegen --config openapi/oapi-codegen.yaml openapi/openapi.yaml
 	@echo "✓ API client code generated in pkg/api/openapi/"
 
 ##@ Development
@@ -128,8 +132,8 @@ vet: generate ## Run go vet
 	$(GO) vet ./...
 
 .PHONY: lint
-lint: generate $(GOLANGCI_LINT) ## Run golangci-lint
-	$(GOLANGCI_LINT) run
+lint: $(GOLANGCI_LINT) ## Run golangci-lint
+	$(GOLANGCI_LINT) run ./...
 
 .PHONY: verify
 verify: generate fmt-check vet ## Run all verification checks
@@ -173,3 +177,11 @@ endif
 	$(CONTAINER_TOOL) push quay.io/$(QUAY_USER)/$(IMAGE_NAME):$(DEV_TAG)
 	@echo ""
 	@echo "Dev image pushed: quay.io/$(QUAY_USER)/$(IMAGE_NAME):$(DEV_TAG)"
+
+$(GOLANGCI_LINT):
+	GOBIN=$(CURDIR)/bin go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@$(GOLANGCI_LINT_VERSION)
+	@mv ./bin/golangci-lint $@
+
+.PHONY: tools
+tools: ## Install pinned tool versions from go.mod tool directives
+	$(GO) install tool