Add delete statement for rule_type_data_sources.

[blkt]

Summary

This statement is necessary to allow updates on Rule Types. Since an update does not modify the ID, we can't expect cascading deletes to happen, and thus have to perform the cleanup manually.

Change Type

• Bug fix (resolves an issue without affecting existing features)
• Feature (adds new functionality without breaking changes)
• Breaking change (may impact existing functionalities or require documentation updates)
• Documentation (updates or additions to documentation)
• Refactoring or test improvements (no bug fixes or new functionality)

Testing

Autogenerated code.

Review Checklist:

• Reviewed my own code for quality and clarity.
• Added comments to complex or tricky code sections.
• Updated any affected documentation.
• Included tests that validate the fix or feature.
• Checked that related changes are merged.

[coveralls]

coverage: 55.149% (+0.007%) from 55.142%
when pulling 50ce07f on chore/add-delete-statement-for-rule-type-data-sources
into 93c054a on main.