Bump flet from 0.1.62 to 0.84.0

Bumps [flet](https://github.com/flet-dev/flet) from 0.1.62 to 0.84.0.
- [Release notes](https://github.com/flet-dev/flet/releases)
- [Changelog](https://github.com/flet-dev/flet/blob/main/CHANGELOG.md)
- [Commits](flet-dev/flet@v0.1.62...v0.84.0)

---
updated-dependencies:
- dependency-name: flet
  dependency-version: 0.84.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]