Laravel 10 support

[nick-potts]

https://github.com/php-enqueue/laravel-queue/pull/28

  Problem 1
    - enqueue/laravel-queue[0.6.0, ..., 0.8.4] require illuminate/queue ^5.4 -> found illuminate/queue[v5.4.0, ..., v5.8.36] but these were not loaded, likely because it conflicts with another require.
    - enqueue/laravel-queue 0.9.0 requires illuminate/queue ^5.6 -> found illuminate/queue[v5.6.0, ..., v5.8.36] but these were not loaded, likely because it conflicts with another require.
    - enqueue/laravel-queue[0.10.0, ..., 0.10.1] require illuminate/queue ^6.0 -> found illuminate/queue[v6.0.0, ..., v6.20.44] but these were not loaded, likely because it conflicts with another require.
    - enqueue/laravel-queue 0.10.2 requires illuminate/queue ^6.0|^7.0 -> found illuminate/queue[v6.0.0, ..., v6.20.44, v7.0.0, ..., v7.30.6] but these were not loaded, likely because it conflicts with another require.
    - enqueue/laravel-queue[0.10.3, ..., 0.10.5] require illuminate/queue ^6.0|^7.0|^8.0 -> found illuminate/queue[v6.0.0, ..., v6.20.44, v7.0.0, ..., v7.30.6, v8.0.0, ..., v8.83.27] but these were not loaded, likely because it conflicts with another require.
    - enqueue/laravel-queue[0.10.6, ..., 0.10.18] require illuminate/queue ^6.0|^7.0|^8.0|^9.0 -> found illuminate/queue[v6.0.0, ..., v6.20.44, v7.0.0, ..., v7.30.6, v8.0.0, ..., v8.83.27, v9.0.0, ..., v9.52.11] but these were not loaded, likely because it conflicts with another require.
    - Root composer.json requires enqueue/laravel-queue * -> satisfiable by enqueue/laravel-queue[0.6.0, ..., 0.10.18].

[makasim]

PR is welcome