Main features:

• ...

To be discussed:

• remove deprecated findOneById methods refactor(repository)!: remove deprecated findOneById methods #12198
• remove deprecated string-based select from find methods refactor(find-options)!: remove deprecated string-based select from find methods #12214
• remove deprecated string-based relations from find methods refactor(find-options)!: remove deprecated string-based relations from find methods #12215