[8.x] Support Laravel 11

[joostdebruijn]

Laravel 11 will be released in March, this PR prepares this package for Laravel 11. It also:

• Drops support for PHP-versions below 8.1, because they are not supported anymore
• Drops support for Laravel-versions below 9 (Laravel 9 itself is also EOL, but that allows developers on that version to prepare upgrades to a later version)
• Uses the latest version of Testbench and thus is running with PHPunit 10
• It drops support for the 3.x version of Money, because that version doesn't support PHP 8.0 and upwards
• It bumps the Github Action-dependencies to the latest stable version

It think this one should be merged into the next major release of this package.

[joostdebruijn]

@ricardogobbosouza Could you please merge and release this one?

[joostdebruijn]

Thanks for kicking-off the tests. I thought they were running well, however I'll have a look at it!

[joostdebruijn]

@ricardogobbosouza They should run fine now with the latest commit, see similar issue description here: orchestral/testbench-core#194

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.40%. Comparing base (46ab840) to head (88e87cc).

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #158      +/-   ##
============================================
- Coverage     96.53%   96.40%   -0.14%     
+ Complexity      168      167       -1     
============================================
  Files            21       21              
  Lines           462      445      -17     
============================================
- Hits            446      429      -17     
  Misses           16       16              

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