💡 Data Activation (aka Reverse ETL) integration

### Feature description

Data Activation (aka Reverse ETL) is now available in early access in Airbyte ([doc](https://docs.airbyte.com/platform/move-data/elt-data-activation)).

Like for what we did for [Plugin Hightouch](https://github.com/kestra-io/plugin-hightouch/blob/master/src/main/java/io/kestra/plugin/hightouch/Sync.java), once it will be available in their [API reference](https://reference.airbyte.com/reference/getting-started) (not yet available), we could also add a Sync task for it!

Read the Airbyte Data Activation documentation and monitor its API reference, which is not yet available. Use the existing plugin-hightouch/src/main/java/io/kestra/plugin/hightouch/Sync.java as the reference entry point. Done means the Airbyte API supports a corresponding Sync task with documented integration behavior.

Written by the indexing model from the issue text.