feat(events-targets): support ApiGatewayV2 HttpApi (#33864)

### Issue # (if applicable)

Closes #26649

### Description of changes
Same logic as ApiGateway v1 target with some differences:

| Feature                        | v1                                 | v2                              |
|--------------------------------|------------------------------------|---------------------------------|
| _api interface                 | api.IRestApi             | apigwv2.IHttpApi      |
| default stage if not specified | _restApi.deploymentStage.stageName | _httpApi.defaultStage.stageName |

### Description of how you validated changes
Unit + Integ

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: phuhung273