docs: add note to require filter setting for last_active

[datamweb]

see #646

[datamweb]

Error: ] Could not process                                                      
         "/home/runner/work/shield/shield/src/Traits/Viewable.php" file, due to:
         "System error: "Call to undefined method                               
         PHPStan\Type\Generic\GenericClassStringType::getObjectClassNames()"    
         Run Rector with "--debug" option and post the report here: https://github.com/rectorphp/rector/issues/new". On line:
         47                                                                     

Error: ] Could not process                                                      
         "/home/runner/work/shield/shield/tests/Unit/CompositionValidatorTest.ph
         p" file, due to:                                                       
         "System error: "Call to undefined method                               
         PHPStan\Type\ObjectWithoutClassType::getObjectClassNames()"            
         Run Rector with "--debug" option and post the report here: https://github.com/rectorphp/rector/issues/new". On line:
         47                                                                     

Error: ] Could not process                                                      
         "/home/runner/work/shield/shield/tests/Unit/DictionaryValidatorTest.php
         " file, due to:                                                        
         "System error: "Call to undefined method                               
         PHPStan\Type\ObjectWithoutClassType::getObjectClassNames()"            
         Run Rector with "--debug" option and post the report here: https://github.com/rectorphp/rector/issues/new". On line:
         47          

see https://github.com/codeigniter4/shield/actions/runs/4240216761/jobs/7369019249

[datamweb]

@samsonasik Can you help, please?

[samsonasik]

You need to update to latest rector/rector:^0.15.18

[datamweb]

@samsonasik Thank you very much, great.🥀