Add an internal trait to allow cross-version compatibility for ORM SQL walkers

[mbabker]

Ref: #2708

Sibling PR to #2758 and #2804 but this time targeted at SQL walker classes.

[franmomu]

We should probably ignore the PHPStan errors: https://github.com/doctrine-extensions/DoctrineExtensions/actions/runs/9430538909/job/25978170028?pr=2805

[codecov]

Codecov Report

Attention: Patch coverage is 38.26087% with 71 lines in your changes missing coverage. Please review.

Project coverage is 78.37%. Comparing base (0632ab1) to head (018761a).
Report is 20 commits behind head on main.

Files	Patch %	Lines
src/Tool/ORM/Walker/orm-3.php	0.00%	44 Missing ⚠️
src/Tool/ORM/Walker/orm-2.php	50.00%	22 Missing ⚠️
...ranslatable/Query/TreeWalker/TranslationWalker.php	77.77%	4 Missing ⚠️
src/Tool/ORM/Walker/SqlWalkerCompat.php	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2805      +/-   ##
==========================================
- Coverage   78.75%   78.37%   -0.38%     
==========================================
  Files         163      166       +3     
  Lines        8593     8579      -14     
==========================================
- Hits         6767     6724      -43     
- Misses       1826     1855      +29     

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[franmomu]

thanks @mbabker!