fix: broken link in docs

Author: serkef

docs/integrations/engines/bigquery.md

@@ -145,7 +145,7 @@ pip install "sqlmesh[bigquery]"
 | Option                          | Description                                                                                                                                                       |  Type  | Required |
 |---------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|:------:|:--------:|
 | `type`                          | Engine type name - must be `bigquery`                                                                                                                             | string |    Y     |
-| `method`                        | Connection methods - see [allowed values below](#connection-methods). Default: `oauth`.                                                                           | string |    N     |
+| `method`                        | Connection methods - see [allowed values below](#authentication-methods). Default: `oauth`.                                                                           | string |    N     |
 | `project`                       | The ID of the GCP project                                                                                                                                       | string |    N     |
 | `location`                      | The location of for the datasets (can be regional or multi-regional)                                                                                              | string |    N     |
 | `execution_project`             | The name of the GCP project to bill for the execution of the models. If not set, the project associated with the model will be used.                              | string |    N     |