Laravel 9 support

[oriceon]

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[snipe]

Hiya folks - thanks (as always!) for this awesome package! When I try to upgrade to Laravel 9, I'm getting the following error:

- barryvdh/laravel-async-queue v0.7.5 requires illuminate/support ^6|^7|^8 -> satisfiable by illuminate/support[v6.0.0, ..., v6.20.44, v7.0.0, ..., v7.30.6, v8.0.0, ..., v8.83.23].
    - Only one of these can be installed: illuminate/support[v5.1.1, ..., v5.8.36, v6.0.0, ..., v6.20.44, v7.0.0, ..., v7.30.6, v8.0.0, ..., v8.83.23, v9.0.0, ..., v9.22.1], laravel/framework[v9.0.0, ..., v9.22.1]. laravel/framework replaces illuminate/support and thus cannot coexist with it.
    - Root composer.json requires laravel/framework ^9.0 -> satisfiable by laravel/framework[v9.0.0, ..., v9.22.1].

Am I just being a dumbass? (Though maybe it looks like it hasn't been released since the Laravel 9 patch?)