[TASK] Migrate ext:saltedpasswords to use Doctrine DBAL.

Resolves: #76471
Releases: master
Change-Id: Ib3a504b6c1ddd875bbe87c6110b905631a0c6731
Reviewed-on: https://review.typo3.org/48492


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>