CARRY: Add downstream vendoring to Makefiles

In order to automate the vendoring updates for downstream CAPO, we need
to run `go mod vendor`.

Author: EmilienM

Makefile

@@ -274,9 +274,10 @@ lint-fast: $(GOLANGCI_LINT) ## Run only faster linters to detect possible issues
 .PHONY: modules
 modules: ## Runs go mod to ensure proper vendoring.
 	$(MAKE) -C $(REPO_ROOT)/orc modules
-	go mod tidy
-	cd $(TOOLS_DIR); go mod tidy
-	cd $(REPO_ROOT)/hack/codegen; go work sync; go mod tidy
+	$(MAKE) -C $(REPO_ROOT)/openshift modules
+	go mod tidy && go mod vendor
+	cd $(TOOLS_DIR); go mod tidy && go mod vendor
+	cd $(REPO_ROOT)/hack/codegen; go mod tidy; go work vendor
 
 .PHONY: generate
 generate: templates generate-orc generate-controller-gen generate-codegen generate-conversion-gen generate-go generate-manifests generate-api-docs ## Generate all generated code

hack/tools/vendor/sigs.k8s.io/cluster-api-provider-openstack/Makefile

@@ -49,8 +49,8 @@ manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and Cust
 
 .PHONY: modules
 modules:
-	go mod tidy
-	cd hack/codegen; go work sync; go mod tidy
+	go mod tidy && go mod vendor
+	cd hack/codegen; go mod tidy; go work vendor
 
 .PHONY: generate
 generate: modules manifests generate-controller-gen generate-codegen