chore: update test dependencies

Author: renovate[bot]

package.json

@@ -57,7 +57,7 @@
     "babel-loader": "^10.0.0",
     "babel-plugin-istanbul": "^7.0.0",
     "bio-dts": "^0.11.0",
-    "chai": "^4.5.0",
+    "chai": "^6.0.0",
     "del-cli": "^6.0.0",
     "eslint": "^9.11.1",
     "eslint-plugin-bpmn-io": "^2.0.2",
@@ -70,12 +70,12 @@
     "karma-safari-launcher": "^1.0.0",
     "karma-sinon-chai": "^2.0.2",
     "karma-webpack": "^5.0.1",
-    "mocha": "^10.7.3",
+    "mocha": "^11.0.0",
     "mocha-test-container-support": "^0.2.0",
     "npm-run-all2": "^8.0.0",
     "puppeteer": "^24.0.0",
-    "sinon": "^17.0.1",
-    "sinon-chai": "^3.7.0",
+    "sinon": "^21.0.0",
+    "sinon-chai": "^4.0.0",
     "typescript": "^5.7.3",
     "webpack": "^5.95.0"
   },