Resolve "remove VERZUG from BT-20"

Closes #146 (closed)

changed milestone to %Summer Release 2023

added komponente/visualisierung label

requested review from @renzo.kottmann

assigned to @barbara.dewein

added 2 commits

• 8fd7e5ae - remove references to "Verzugszinsen" from BT-20 documentation
• 6c1c835c - update changelog

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marked this merge request as ready

merged

mentioned in commit 018ca54f