opentelemetry-configuration: add support for the OTLP JSON exporter to declarative configuration

### Is your feature request related to a problem? Add support for the OTLP JSON exporter to declarative configuration Depends on #5374 ### Would you like to implement a fix? Yes ### Tip _{[React](https://github.blog/news-insights/product-news/add-reactions-to-pull-requests-issues-and-comments/) with 👍 to help prioritize this issue. Please use comments to provide useful context, avoiding `+1` or `me too`, to help us triage it. Learn more [here](https://opentelemetry.io/community/end-user/issue-participation/).}