Remove unused jest dependency

3bg/features/steps/addition.js

@@ -1,5 +1,5 @@
 import { Given, When, Then } from '@cucumber/cucumber'
-import { expect } from 'chai'
+import assert from 'node:assert/strict'
 
 Given('the start value is {int}', function (int) {
   this.calc = int
@@ -10,5 +10,5 @@ When('I add {int}', function (int) {
 })
 
 Then('the result should be {int}', function (int) {
-  expect(this.calc).to.equal(int)
+  assert.equal(this.calc, int)
 })

3bg/features/steps/concat.js

@@ -1,5 +1,5 @@
 import { Given, When, Then } from '@cucumber/cucumber'
-import { expect } from 'chai'
+import assert from 'node:assert/strict'
 
 Given('the start value is {string}', function (string) {
   this.concat = string
@@ -10,5 +10,5 @@ When('I concatenate {string}', function (string) {
 })
        
 Then('the result should be {string}', function (string) {
-  expect(string).to.equal(this.concat)
+  assert.equal(string, this.concat)
 })

3bg/package.json

@@ -10,7 +10,6 @@
   "author": "Eugen Wissner <belka@caraus.de>",
   "license": "MPL-2.0",
   "dependencies": {
-    "@cucumber/cucumber": "^11.1.1",
-    "chai": "^5.1.2"
+    "@cucumber/cucumber": "^12.0.0"
   }
 }