Update mocha/chai/sinon ecosystem

Author: renovate[bot]

javascript/package-lock.json

@@ -35,13 +35,13 @@
     "@cucumber/message-streams": "^4.0.1",
     "@cucumber/messages": "32.3.1",
     "@tsconfig/recommended": "^1.0.8",
-    "@types/chai": "^4.3.0",
+    "@types/chai": "^5.0.0",
     "@types/chai-almost": "^1.0.3",
     "@types/chai-xml": "^0.3.6",
     "@types/luxon": "^3.4.2",
     "@types/mocha": "^10.0.6",
     "@types/node": "24.12.4",
-    "chai": "^4.3.0",
+    "chai": "^6.0.0",
     "chai-almost": "^1.0.1",
     "chai-xml": "^0.4.1",
     "globby": "^11.1.0",