Update StyleCI config

[vjik]

update

[what-the-diff[bot]]

PR Summary

• PHP Version Update Updated PHP version from 8 to 8.1
• Finder Section Cleanup Removed unnecessary files and folders
• Enabled Coding Rules Added empty_loop_body_braces, integer_literal_case and union type without spaces rules for better code quality
• Disabled Function Declaration Rule Disabled the function declaration rule for improved flexibility
• Middleware Dispatcher Return Statement Refactor Simplified return statement in middleware dispatcher class by removing unnecessary parenthesis