feat: add initial support for HTTP endpoint destination

[benjaminpottier]

Issue # (if applicable)

Addresses #20354

Reason for this change

Rather than waiting on full L2 support maybe we can simply add L1 support in the DestinationConfig interface. This would allow people to extend the interface and address the issue in the meantime.

Without adding this to the interface JSII will not let us extend the interface and compile it since we'd be the return signature. See https://github.com/aws/jsii/issues/3495

Description of changes

This should be a small enough change where we can merge in without much worry.

Checklist

• [x ] My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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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

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 1436538a20378e316930ecaaa453ec394cd2e13c
• Result: SUCCEEDED
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