chore(deps): update dependency sinon to v21

Author: renovate[bot]

package-lock.json

@@ -46,15 +46,15 @@
     "@types/lodash.difference": "^4.5.9",
     "@types/mocha": "^10.0.10",
     "@types/node": "^18.19.130",
-    "@types/sinon": "^17.0.4",
+    "@types/sinon": "^21.0.1",
     "chai": "^4.5.0",
     "eslint": "^8.57.1",
     "eslint-config-teppeis": "^19.1.2",
     "mocha": "^10.8.2",
     "npm-run-all": "^4.1.5",
     "prettier": "^3.4.2",
     "rimraf": "^5.0.10",
-    "sinon": "^17.0.2",
+    "sinon": "^21.1.2",
     "tempy": "^3.1.0",
     "ts-node": "^10.9.2",
     "ts-node-test-register": "^10.0.0",