Run tests on different Doctrine versions

[yann-eugone]

Following #5 I believe it is time to be able to test the library on different versions of doctrine

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.89%. Comparing base (7072aec) to head (50e156b).
Report is 3 commits behind head on main.

❗ Current head 50e156b differs from pull request most recent head 1203f16

Please upload reports for the commit 1203f16 to get more accurate results.

Additional details and impacted files

@@              Coverage Diff              @@
##                main       #6      +/-   ##
=============================================
- Coverage     100.00%   96.89%   -3.11%     
- Complexity        35       40       +5     
=============================================
  Files              7        7              
  Lines            104      129      +25     
=============================================
+ Hits             104      125      +21     
- Misses             0        4       +4     

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