Massy Bourennani

Contirbute Openlineage to `dbt-core`

10

Resolves https://github.com/dbt-labs/dbt-core/issues/11750 ### TL;DR This PR integrates dbt with [Openlineage](https://openlineage.io/docs/). This unlocks lineage tracking and observability of the dbt pipelines. [Openlineage](https://openlineage.io/) is **an open source standard**. From its main page:...

### Is this your first time submitting a feature request? - [x] I have read the [expectations for open source contributors](https://docs.getdbt.com/docs/contributing/oss-expectations) - [x] I have searched the existing issues, and...