feat(router): Support `card` in `payment_method_subtype` [V2] (#7662)
Files to modify:


**payment_methods.rs**
  Modify existing code

**payments.rs**
  Modify existing code

**enums.rs**
  Modify existing code

**transformers.rs**
  Modify existing code

**payment_attempt.rs**
  Modify existing code

**schema_v2.rs**
  Modify existing code

**types.rs**
  Modify existing code

**enums.rs**
  Modify existing code

**lowering.rs**
  Modify existing code

**transformers.rs**
  Modify existing code

**adyen.rs**
  Modify existing code

**transformers.rs**
  Modify existing code

**klarna.rs**
  Modify existing code

**transformers.rs**
  Modify existing code

**payments.rs**
  Modify existing code

**payment_attempt.rs**
  Modify existing code

**revenue_recovery.rs**
  Modify existing code

**mca.rs**
  Modify existing code

**transformers.rs**
  Modify existing code

**transformers.rs**
  Modify existing code

**payment_methods.rs**
  Modify existing code

**routing.rs**
  Modify existing code

**transformers.rs**
  Modify existing code

**types.rs**
  Modify existing code

**payment_methods.rs**
  Modify existing code

**transformers.rs**
  Modify existing code