Laravel 9 Support 🤗

☣	Breaking changes

Features

• Laravel 9 support. (#10; c12b021)
• migrator: Removed DirectorySeeder and RootSeeder. (1be3a4e) ☣
• queue, testing: CronableRegistrator will add disabled Cronable into Schedule it is needed to be able to test registration. (cf050e2) ☣
• spa: Request::validated() updated to be compatible with Laravel 9 and support $key and $default. (3eb876f)

Bug Fixes

• graphql: "LogicException : Override for Nuwave\Lighthouse\Schema\Source\SchemaSourceProvider already defined." while testing schemas. (0623c36)
• graphql/SchemaPrinter: Fixed missing LF in directive locations when the definition is multiline. (e4d69bf)
• graphql/SchemaPrinter: Printer will parse all definitions from Directive:definition() to avoid "DefinitionException : Lighthouse failed while trying to load a type XXX" error. (5c20332)
• queue: ConsoleKernelWithSchedule will not use booted() because there are no reasons to use it here (also, in some cases the previous approach may lead to Cronable was registered twice). (64482a6)
• queue: ProviderWithSchedule will use afterResolving() callback to register Cronable. (bf84e0d) ☣