Fix deprecated _initializeSchema

[kriskd]

Fixes deprecation: https://book.cakephp.org/4/en/appendices/4-5-migration-guide.html#orm

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 75.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 61.37%. Comparing base (495589f) to head (20e7762).

:exclamation: Current head 20e7762 differs from pull request most recent head 6f6b4b6

Please upload reports for the commit 6f6b4b6 to get more accurate results.

Files	Patch %	Lines
src/Middleware/SocialAuthMiddleware.php	50.00%	3 Missing :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##                1.x     #121      +/-   ##
============================================
- Coverage     62.28%   61.37%   -0.92%     
+ Complexity       76       75       -1     
============================================
  Files             4        4              
  Lines           236      277      +41     
============================================
+ Hits            147      170      +23     
- Misses           89      107      +18     

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[dereuromark]

ping @ADmad Are those changes good?

//EDIT I guess this is for Cake4?