feat(routing): add 3DS decision rule algorithm test cases
Add cypress test file for 3DS Decision Rule Based Routing covering:
- authentication_type == three_ds routes to Stripe, else to Adyen (default)
- 3DS auto capture and no-3DS auto capture flows under rule-based routing
- 3DS manual capture flow with post-auth capture step
- Combined authentication_type AND payment_method conditions in routing rules
Co-Authored-By: Paperclip <noreply@paperclip.ing>
