feat: #3411490 Replace array-based DB Schema API with a value object structure

mondrakerequested to merge
issue/drupal-3411490:3411490-11x into 11.x

By: mondrake By: daffie By: geek-merlin By: mradcliffe By: alexpott By: joachim By: catch By: amateescu By: larowlan

Closes #3411490

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