chore: update test dependencies

Author: renovate[bot]

package.json

@@ -62,8 +62,8 @@
     "mocha-test-container-support": "^0.2.0",
     "npm-run-all2": "^6.2.0",
     "puppeteer": "^22.0.0",
-    "sinon": "^17.0.1",
-    "sinon-chai": "^3.7.0",
+    "sinon": "^18.0.0",
+    "sinon-chai": "^4.0.0",
     "stylelint": "^16.0.0",
     "stylelint-config-standard": "^36.0.0",
     "webpack": "^5.74.0"