Build: Bump sinon from 20.0.0 to 21.0.1 (wet-boew#10105)

Bumps [sinon](https://github.com/sinonjs/sinon) from 20.0.0 to 21.0.1.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/main/docs/changelog.md)
- [Commits](sinonjs/sinon@v20.0.0...v21.0.1)

---
updated-dependencies:
- dependency-name: sinon
  dependency-version: 21.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -94,7 +94,7 @@
     "postinstall-postinstall": "^2.1.0",
     "puppeteer": "^24.27.0",
     "sass": "^1.93.3",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.1",
     "stylelint": "^16.25.0",
     "stylelint-config-standard": "^39.0.1",
     "stylelint-config-standard-scss": "^16.0.0",