Bump sinon from 21.0.2 to 21.0.3 (#1335)

Bumps [sinon](https://github.com/sinonjs/sinon) from 21.0.2 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@v21.0.2...v21.0.3)

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

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

Author: dependabot[bot]

package-lock.json

@@ -56,7 +56,7 @@
     "npm-run-all": "4.1.5",
     "playwright": "1.58.2",
     "prettier": "3.8.1",
-    "sinon": "21.0.2",
+    "sinon": "21.0.3",
     "stylelint": "16.26.1",
     "stylelint-config-standard": "39.0.1"
   },