⬆️ Update dependency sinon to v21

Author: renovate[bot]

package-lock.json

@@ -79,7 +79,7 @@
     "@types/lodash": "4.17.12",
     "@types/minimist": "1.2.5",
     "@types/mocha": "10.0.9",
-    "@types/sinon": "17.0.3",
+    "@types/sinon": "21.0.0",
     "@types/useragent": "2.3.4",
     "@types/ws": "8.5.12",
     "@typescript-eslint/eslint-plugin": "6.21.0",
@@ -107,7 +107,7 @@
     "mocha": "10.7.3",
     "prettier": "3.3.3",
     "raw-loader": "4.0.2",
-    "sinon": "17.0.1",
+    "sinon": "21.0.0",
     "source-map-support": "0.5.21",
     "style-loader": "3.3.4",
     "ts-loader": "9.5.1",