Skip NullToStrictStringFuncCallArgRector in rector

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌

[what-the-diff]

PR Summary

• Introduction of NullToStrictStringFuncCallArgRector into rector.php
  A new class named NullToStrictStringFuncCallArgRector has been added into the rector.php file. This enhancement aims to improve code robustness by ensuring that inputs going into function calls must strictly be strings and not null, minimizing unexpected errors due to varying data types.