Merge pull request #245 from knockout/dependabot/npm_and_yarn/sinon-21.0.3

build(deps-dev): bump sinon from 19.0.5 to 21.0.3

Author: phillipc

package-lock.json

@@ -40,7 +40,7 @@
     "mocha": "^11.0.1",
     "nyc": "^18.0.0",
     "prettier": "^3.8.1",
-    "sinon": "^19.0.2",
+    "sinon": "^21.0.3",
     "typescript": "^6.0.2",
     "typescript-eslint": "^8.58.0"
   },