Bump sinon from 15.2.0 to 18.0.0

Bumps [sinon](https://github.com/sinonjs/sinon) from 15.2.0 to 18.0.0.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/main/docs/changelog.md)
- [Commits](sinonjs/sinon@v15.2.0...v18.0.0)

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

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

package.json

@@ -44,7 +44,7 @@
     "sass": "^1.77.4",
     "sass-loader": "^10.5.2",
     "script-ext-html-webpack-plugin": "^2.1.5",
-    "sinon": "^15.2.0",
+    "sinon": "^18.0.0",
     "tap-diff": "^0.1.1",
     "tape": "^5.7.5",
     "tape-plus": "^1.0.0",