Update minimum Swift version (#794)

* Bump the package minimum Swift version to 6.0, update docs accordingly, run swift-format on the code

* Convert the tests to SwiftTesting

* Swift 6.0 is finicky

Async Lifecycle (#781)

* Drop support for 5.8

* Adopt new APIs

Concurrency updates and database logging APIs (#775)

* Bump dependency versions and clean up language flags

* Make it easier to override the logger on a database when requesting it (since `.logging(to:)` doesn't usually work as intended)

* Use the `willBootAsync` lifecycle callback to avoid calling `.wait()` when auto-migration is requested on the commandline.

* Code style, improve the console output in the migration command

* Make all the tests fully async and update them to use Application.make() etc.

* Remove pointless Dependabot config

Fix up Fluent provider for Sendable-correct FluentKit (#774)

* Bump minimum Swift to 5.8, add feature flags.
* Structural/CI updates
* Update to account for Sendable-correct FluentKit

Asyncification of Fluent provider (#772)

* The usual structural updates
* ExistentialAny and StrictConcurrency correctness pass
* Make MigrateCommand async

Update min Swift version to 5.6 and make platform versions consistent (…

…#763)

Update minimum Swift version to 5.6 and make platform versions consistent.

Update to match FluentKit's declared version minimums (#761)

* Update to match FluentKit's declared version minimums

Add migrationLogLevel configuration (#756)

* Add migrationLogLevel configuration
* Use .any() instead of .next() for ELG

Update minimum Swift version to 5.5 (#751)

Update minimum Swift version to 5.5, update very ancient CI

Add `asyncCredentialsAuthenticator` to `ModelCredentialsAuthenticatab…

…le` (#744)

* Extend ModelCredentialsAuthenticatable with asyncCredentialsAuthenticator #743

* compiler guards for test