build(deps-dev): bump sinon from 19.0.4 to 21.0.0

Bumps [sinon](https://github.com/sinonjs/sinon) from 19.0.4 to 21.0.0.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/main/docs/changelog.md)
- [Commits](https://github.com/sinonjs/sinon/commits)

---
updated-dependencies:
- dependency-name: sinon
  dependency-version: 21.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -62,7 +62,7 @@
     "lint-staged": "^15.5.2",
     "prettier": "^3.6.2",
     "serverless": "^3.40.0",
-    "sinon": "^19.0.4",
+    "sinon": "^21.0.0",
     "ts-node": "^10.9.2",
     "unzipper": "^0.12.3",
     "webpack": "^5.100.0"