Add makefile target to gen certs

Author: javorszky

Makefile

@@ -264,3 +264,7 @@ update-crd-docs: ## Update CRD markdown documentation from YAML definitions
 	@echo "Generating CRD documentation..."
 	@go run hack/generate-crd-docs.go -crd-dir config/crd/bases -output-dir docs/crd
 	@echo "CRD documentation updated successfully!"
+
+.PHONY: certs
+certs:
+	make -C hack/tls-cert-gen run