[FEATURE]: Add support for updating elimination config

### Feature Description

Add a new route for updating elimination config in the database when it is toggled.

### Possible Implementation

Add a new route for updating elimination config in the database when it is toggled.

### 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!
<think>
PR Context:
- Title: feat(routing): Add support to update config for elimination routing
- Merged: 2025-05-12T16:26:29Z
- Files changed: 5 files
- Commits: 8 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [x] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
Add a new route for updating the elimination routing config when it is toggled

### Additional Changes

- [x] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/e
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** feat(routing): Add support to update config for elimination routing (#7938)
Co-authored-by: Spriti A
Files to modify:


**crates/api_models/src/events/routing.rs**
  Add:
    - function: private::get_api_event_type
    - impl: impl ApiEventMetric for EliminationRoutingPayloadWrapper

**crates/api_models/src/routing.rs**
  Add:
    - function: pub::update
    - function: pub::update
    - struct: pub::EliminationRoutingPayloadWrapper
    - impl: impl EliminationAnalyserConfig
    - impl: impl EliminationRoutingConfig

**crates/router/src/core/routing.rs**
  Modify existing code

**crates/router/src/routes/app.rs**
  Modify existing code

**crates/router/src/routes/routing.rs**
  Add:
    - function: pub::elimination_routing_update_configs
{"issue_number": 7939, "pr_number": 7938, "commits_count": 1, "files_changed": 5, "response_length": 1547, "file_count": 7, "needs_breakdown": false}