Adding batch id field (#4431)

## What are you changing in this pull request and why?

Adding batch id to BigQuery config 

## Checklist

- [ ] Review the [Content style
guide](https://github.com/dbt-labs/docs.getdbt.com/blob/current/contributing/content-style-guide.md)
and [About
versioning](https://github.com/dbt-labs/docs.getdbt.com/blob/current/contributing/single-sourcing-content.md#adding-a-new-version)
so my content adheres to these guidelines.
- [ ] Add a checklist item for anything that needs to happen before this
PR is merged, such as "needs technical review" or "change base branch."

Adding new pages (delete if not applicable):
- [ ] Add page to `website/sidebars.js`
- [ ] Provide a unique filename for the new page

Removing or renaming existing pages (delete if not applicable):
- [ ] Remove page from `website/sidebars.js`
- [ ] Add an entry `website/static/_redirects`
- [ ] [Ran link
testing](https://github.com/dbt-labs/docs.getdbt.com#running-the-cypress-tests-locally)
to update the links that point to the deleted page

website/docs/docs/core/connect-data-platform/bigquery-setup.md

@@ -455,6 +455,7 @@ my-profile:
       dataproc_region: us-central1
       submission_method: serverless
       dataproc_batch:
+        batch_id: MY_CUSTOM_BATCH_ID # Supported in v1.7+
         environment_config:
           execution_config:
             service_account: dbt@abc-123.iam.gserviceaccount.com