chore: bump phpstan to ^2.1.55 and fix callable docblock notice

[samsonasik]

Description

Fix notice on phpstan 2.1.55

➜  CodeIgniter4 git:(develop) ✗ composer analyze
Note: Using configuration file /Users/samsonasik/www/CodeIgniter4/phpstan.neon.dist.
 913/913 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100% 10 secs

 ------ ------------------------------------------------------------------------ 
  Line   system/View/Parser.php                                                  
 ------ ------------------------------------------------------------------------ 
  :713   Callable callable(mixed): mixed invoked with 2 parameters, 1 required.  
         🪪  arguments.count                                                     
 ------ ------------------------------------------------------------------------ 


                                                                                                                        
 [ERROR] Found 1 error                                                                                                                                                                                                                   

Checklist:

• Securely signed commits
• Component(s) with PHPDoc blocks, only if necessary or adds value (without duplication)
• Unit testing, with >80% coverage
• User guide updated
• Conforms to style guide

[samsonasik]

Ready for merge 👍

[samsonasik]

Thank you @michalsn for the review, let's merge 👍