Discus adoption of #NoDiscard and PHP 8.5

added list of implemented https://wiki.php.net/rfc#php_85

https://wiki.php.net/rfc/deprecations_php_8_5

I did not mean to open a fork… must have tapped something inadvertently.

First Phpstan error on 8.5 alpha3

     Internal error: AST failed to parse in located source (line 3): Syntax                             
     error, unexpected T_CLONE, expecting T_EXIT or T_STRING or T_READONLY or                           
     '(', Syntax error, unexpected T_VARIABLE, Syntax error, unexpected ')'                             
                                                                                                        
     <?php                                                                                              
                                                                                                        
     function clone(object $object, array $withProperties = []): object                                 
     {                                                                                                  
     }                                                                                                  
      while analysing file                                                                              
     /builds/issue/drupal-3523596/core/tests/Drupal/KernelTests/Core/Entity/ContentEntityCloneTest.php  

The ToolkitGdTest test fails probably because of

- https://github.com/php/php-src/pull/17375
- https://github.com/php/php-src/pull/19107

     ✘ Manipulations with 29
       ┐
       ├ Image 'image-test.gif' object after 'rotate_5' action has the correct color placement at corner '0' - Actual: {255,0,93,0}, Expected: {255,0,255,0}, Distance: 26244, Tolerance: 0
       ├ Failed asserting that 26244 is equal to 0 or is less than 0.             
       │
       │ /builds/issue/drupal-3523596/core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php:90
       │ /builds/issue/drupal-3523596/core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php:357
       ┴
     ✘ Manipulations with 30
       ┐
       ├ Image 'image-test.gif' object after 'rotate_transparent_5' action has the correct color placement at corner '0' - Actual: {255,93,0,46}, Expected: {255,255,255,127}, Distance: 97830, Tolerance: 0
       ├ Failed asserting that 97830 is equal to 0 or is less than 0.             
       │
       │ /builds/issue/drupal-3523596/core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php:90
       │ /builds/issue/drupal-3523596/core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php:357
       ┴

Filed issue for the test 🐛 Fix ToolkitGdTest n PHP 8.5 Active

Also created 2 fixes for commited deprecations (will be released on August 13)

📌 Remove remaining usage of setAccessible() Active
📌 Clean-up deprecated non-standard cast names Active