Fix: Remove PhpUnit rule set

[localheinz]

This pull request

• removes the PhpUnit rule set

[codecov]

Codecov Report

Merging #416 (b688d40) into main (834fc91) will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##                main      #416   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity         8         8           
===========================================
  Files              2         2           
  Lines             24        26    +2     
===========================================
+ Hits              24        26    +2     

Impacted Files	Coverage Δ	Complexity Δ
src/Factory.php	100.00% <0.00%> (ø)	2.00% <0.00%> (ø%)

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