Bump FluentAssertions from 4.19.2 to 5.7.0 (#408)
Bump FluentAssertions from 4.19.2 to 5.7.0 (#408)

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 4.19.2 to 5.7.0.
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Commits](https://github.com/fluentassertions/fluentassertions/compare/4.19.2...5.7.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
brandonseydel/MailChimp.Net