Add PHP 8.3 to CI matrix

[ruudk]

Description

Add PHP 8.3 to CI matrix

Motivation and context

How has this been tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

PR checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING.md document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ee0b1ef) 99.27% compared to head (1fdd18a) 99.27%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #243   +/-   ##
=========================================
  Coverage     99.27%   99.27%           
  Complexity       68       68           
=========================================
  Files             6        6           
  Lines           138      138           
=========================================
  Hits            137      137           
  Misses            1        1           

[ruudk]

@ramsey could you have a look please? 🙏🏻