Apply no-buffer-constructor lint rule

lib/nbi.js

@@ -64,7 +64,7 @@ function listener(request, response) {
 
   function getBody() {
     // Write all chunks into a Buffer
-    const body = new Buffer(bytes);
+    const body = Buffer.allocUnsafe(bytes);
     let offset = 0;
     for (const chunk of chunks) {
       chunk.copy(body, offset, 0, chunk.length);