chore(deps): update dependency @types/sinon to v21

Author: renovate[bot]

package.json

@@ -44,7 +44,7 @@
   "license": "MIT",
   "devDependencies": {
     "@types/jest": "^30.0.0",
-    "@types/sinon": "^20.0.0",
+    "@types/sinon": "^21.0.0",
     "@vitest/coverage-v8": "^4.0.14",
     "@vue/test-utils": "^2.4.6",
     "chalk": "^5.6.2",