test: remove deprecated config field dateToSortBy and partitionBy from test files

[Taepper]

follow-up of #720

Summary

PR Checklist

• All necessary documentation has been adapted or there is an issue to do so.
• The implemented feature is covered by an appropriate test.

[github-actions]

This is a preview of the changelog of the next release. If this branch is not up-to-date with the current main branch, the changelog may not be accurate. Rebase your branch on the main branch to get the most accurate changelog.

Note that this might contain changes that are on main, but not yet released.

Changelog:

0.6.0 (2025-04-22)

⚠ BREAKING CHANGES

• the DatabaseConfig fields dateToSortBy and partitionBy have been deprecated and do no longer have any effect. The internal endpoint for more detailed database storage information has been removed.

Features

• add append as a third silo execution mode for incremental preprocessing (84c4ae3), closes #368
• introduce a database schema that actually describes the schema of the database (be71e08)
• still enable silo preprocessing as a shorthand for initialize-then-append (9a91d0e)