[INTERNAL] Bump sinon from 20.0.0 to 21.0.0

Bumps [sinon](https://github.com/sinonjs/sinon) from 20.0.0 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] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -156,7 +156,7 @@
 		"nyc": "^17.1.0",
 		"open-cli": "^8.0.0",
 		"rimraf": "^6.0.1",
-		"sinon": "^20.0.0",
+		"sinon": "^21.0.0",
 		"supertest": "^7.1.1",
 		"tap-xunit": "^2.4.1"
 	}