chore: update test dependencies

Author: renovate[bot]

package.json

@@ -103,8 +103,8 @@
     "rimraf": "^6.0.1",
     "rollup": "^4.18.0",
     "rollup-plugin-react-svg": "^3.0.3",
-    "sinon": "^17.0.1",
-    "sinon-chai": "^3.7.0",
+    "sinon": "^18.0.0",
+    "sinon-chai": "^4.0.0",
     "webpack": "^5.93.0",
     "zeebe-bpmn-moddle": "^1.2.0"
   },