Replace GO111MODULE=off go get -u with go install in Makefile

Go1.22 drops support for GO111MODULE=off go get -u in legacy gopath
mode.

Makefile

@@ -1,7 +1,6 @@
 SHELL := /bin/bash
 GOCMD=go
 GOTEST=$(GOCMD) test
-GOGET=$(GOCMD) get
 GOINSTALL=$(GOCMD) install
 GOTOOL=$(GOCMD) tool
 EXPORT_RESULT?=false # for CI please set EXPORT_RESULT to true
@@ -383,8 +382,8 @@ coverage: setup-envtest ## Run the tests of the project and export the coverage
 	KUBEBUILDER_ASSETS="$(shell $(SETUP_ENVTEST) use $(ENVTEST_K8S_VERSION) --arch=amd64 -p path)" $(GOTEST) -cover -covermode=count -coverprofile=profile.cov -coverpkg=./... ./...
 	$(GOTOOL) cover -func profile.cov
 ifeq ($(EXPORT_RESULT), true)
-	$(GOINSTALL) github.com/AlekSi/gocov-xml
-	$(GOINSTALL) github.com/axw/gocov/gocov
+	$(GOINSTALL) github.com/AlekSi/gocov-xml@latest
+	$(GOINSTALL) github.com/axw/gocov/gocov@latest
 	gocov convert profile.cov | gocov-xml > coverage.xml
 endif