build(deps): bump quart from 0.19.3 to 0.19.4 in /server (#1950)

Bumps [quart](https://github.com/pallets/quart) from 0.19.3 to 0.19.4.
- [Changelog](https://github.com/pallets/quart/blob/main/CHANGES.rst)
- [Commits](pallets/quart@0.19.3...0.19.4)

---
updated-dependencies:
- dependency-name: quart
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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