Bump flutter_speed_dial from 6.2.0 to 7.0.0

Bumps [flutter_speed_dial](https://github.com/darioielardi/flutter_speed_dial) from 6.2.0 to 7.0.0.
- [Release notes](https://github.com/darioielardi/flutter_speed_dial/releases)
- [Changelog](https://github.com/darioielardi/flutter_speed_dial/blob/master/CHANGELOG.md)
- [Commits](darioielardi/flutter_speed_dial@6.2.0...7.0.0)

---
updated-dependencies:
- dependency-name: flutter_speed_dial
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]