Bumps [preact](https://github.com/preactjs/preact) from 10.20.2 to 10.21.0.
- [Release notes](https://github.com/preactjs/preact/releases)
- [Commits](https://github.com/preactjs/preact/compare/10.20.2...10.21.0)

---
updated-dependencies:
- dependency-name: preact
  dependency-type: direct:development
  update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>