### Pull Request Checklist

<!-- Please read docs/CONTRIBUTING.md before submitting your pull request -->

* [ ] I have added added tests for PR _or_ I have justified why this PR doesn't need tests.
* [ ] Pull request includes a [sign off](https://github.com/matrix-org/dendrite/blob/main/docs/CONTRIBUTING.md#sign-off)

Signed-off-by: `Your Name <your@email.example.org>`
