allow PHP 8.3

[kevinpapst]

Description

• Support for using PHP 8.3
• CI workflow uses 8.2 for code coverage
• CI workflow uses 8.3 for all tests
• Allow 8.3 in composer dependency
• Fix use of range() and auto-width columns for Excel exports

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)

Checklist

• I verified that my code applies to the guidelines (composer code-check)
• I updated the documentation (see here)
• I agree that this code is used in Kimai (see license)

[codecov]

Codecov Report

Merging #4471 (9807f0f) into main (f570b55) will not change coverage.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #4471   +/-   ##
=========================================
  Coverage     88.28%   88.28%           
  Complexity     8717     8717           
=========================================
  Files           783      783           
  Lines         29168    29168           
=========================================
  Hits          25751    25751           
  Misses         3417     3417           

Files	Coverage Δ
src/Export/Base/XlsxRenderer.php	96.77% <100.00%> (ø)
src/Export/Spreadsheet/Writer/XlsxWriter.php	92.85% <100.00%> (ø)