Bump sinon from 18.0.1 to 19.0.2 (#56)

Bumps [sinon](https://github.com/sinonjs/sinon) from 18.0.1 to 19.0.2.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/main/docs/changelog.md)
- [Commits](sinonjs/sinon@v18.0.1...v19.0.2)

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

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

package.json

@@ -21,7 +21,7 @@
     "@web/dev-server": "^0.4",
     "eslint": "^8",
     "eslint-config-brightspace": "^1.0",
-    "sinon": "^18"
+    "sinon": "^19"
   },
   "files": [
     "/src"