Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.2.1 to 2.4.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/8c0edbc76e98fa90f69d9a2c020dcb50019dc325...15c905b16b06416d2086efa066dd8e3a35cc7f98

)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>