Issue:
[FEATURE] : [Cybersource] Add Card holder name in dynamic field

### Feature Description

Add Card holder name as required field in dynamic field

### Possible Implementation

Add Card holder name as required field in dynamic field in `default.rs`

### Have you spent some time checking if this feature request has been raised before?

- [X] I checked and didn't find a similar issue

### Have you read the Contributing Guidelines?

- [X] I have read the [Contributing Guidelines](https://github.com/juspay/hyperswitch/blob/main/docs/CONTRIBUTING.md)

### Are you willing to submit a PR?

Yes, I am willing to submit a PR!

Resolution:
<think>
PR Context:
- Title: feat(connector): [cybersource] add card holder name in dynamic fields
- Merged: 2024-03-14T07:45:28Z
- Files changed: 1 files
- Commits: 1 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [X] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
add card holder name as a required field in dynamic fields for cyber source

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/envi
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** feat(connector): [cybersource] add card holder name in dynamic fields (#4082)
Files to modify:


**crates/router/src/configs/defaults.rs**
  Modify existing code