Update junit5 monorepo to v5.12.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.junit.jupiter:junit-jupiter-engine (source)	5.11.4 -> 5.12.0
org.junit.jupiter:junit-jupiter-api (source)	5.11.4 -> 5.12.0

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.22%. Comparing base (68adbf0) to head (a4524d2).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #90   +/-   ##
=========================================
  Coverage     67.22%   67.22%           
+ Complexity       42       41    -1     
=========================================
  Files             6        6           
  Lines           357      357           
  Branches         19       19           
=========================================
  Hits            240      240           
+ Misses          105      104    -1     
- Partials         12       13    +1     

Flag	Coverage Δ
unittests	67.22% <ø> (ø)

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