Update PHPUnit

[vearutop]

No description provided.

[codecov]

Codecov Report

Merging #115 (4534166) into master (54cad51) will decrease coverage by 0.11%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #115      +/-   ##
============================================
- Coverage     92.31%   92.19%   -0.12%     
- Complexity        0      753     +753     
============================================
  Files            27       27              
  Lines          1639     1641       +2     
============================================
  Hits           1513     1513              
- Misses          126      128       +2     

Impacted Files	Coverage Δ	Complexity Δ
src/Structure/ObjectItemTrait.php	73.84% <0.00%> (-2.35%)	31.00% <0.00%> (+31.00%)	⬇️

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