Use node assertions as standard solution

data-tables/features/steps/json.js

@@ -1,5 +1,5 @@
 import { Given, When, Then } from '@cucumber/cucumber'
-import { expect } from 'chai'
+import assert from 'node:assert/strict'
 
 Given('the following books by Simon Frank are in the collection:', function (dataTable) {
   this.objects = []
@@ -45,6 +45,5 @@ When('I stringify it', function () {
 })
 
 Then('I should get:', function (expected) {
-  expect(JSON.parse(expected))
-    .to.deep.equal(JSON.parse(this.result))
+  assert.deepEqual(JSON.parse(expected), JSON.parse(this.result))
 })