chore: update test dependencies

Author: renovate[bot]

package.json

@@ -77,8 +77,8 @@
     "puppeteer": "^22.6.1",
     "rollup": "^4.13.1",
     "rollup-plugin-string": "^3.0.0",
-    "sinon": "^17.0.1",
-    "sinon-chai": "^3.7.0",
+    "sinon": "^18.0.0",
+    "sinon-chai": "^4.0.0",
     "webpack": "^5.91.0",
     "webpack-cli": "^5.1.4",
     "webpack-dev-server": "^5.0.4"