Bump sinon from 19.0.5 to 21.0.3

Bumps [sinon](https://github.com/sinonjs/sinon) from 19.0.5 to 21.0.3.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/main/docs/changelog.md)
- [Commits](sinonjs/sinon@v19.0.5...v21.0.3)

---
updated-dependencies:
- dependency-name: sinon
  dependency-version: 21.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

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"
   },