Enhancement: Synchronize with ergebnis/php-library-template

[localheinz]

This PR

• synchronizes with ergebnis/php-library-template

[codecov]

Codecov Report

Merging #653 (ddcd4c4) into main (7a8e684) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #653   +/-   ##
=========================================
  Coverage     83.89%   83.89%           
  Complexity       57       57           
=========================================
  Files             4        4           
  Lines           236      236           
=========================================
  Hits            198      198           
  Misses           38       38           

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