chore: Update regelrecht-laws submodule with Participatiewet validation fixes

Updates submodule to include:
- Schema validation fixes for Participatiewet YAML files
- Quoted valid_from dates for schema compliance
- Added required description and type fields to select_on items
- Fixed invalid UUID

Related PR: MinBZK/regelrecht-laws#16

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Co-Authored-By: Claude <noreply@anthropic.com>

Author: Error323