Bump flyway-core from 6.4.0 to 6.4.1
Bump flyway-core from 6.4.0 to 6.4.1

Bumps [flyway-core](https://github.com/flyway/flyway) from 6.4.0 to 6.4.1.
- [Release notes](https://github.com/flyway/flyway/releases)
- [Commits](https://github.com/flyway/flyway/compare/flyway-6.4.0...flyway-6.4.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
square/keywhiz,square/keywhiz,square/keywhiz