Document tags attribute in databricks_pipeline resource (#4783)

## Changes
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- [x] relevant change in `docs/` folder

Author: alexott

NEXT_CHANGELOG.md

@@ -10,6 +10,9 @@
 
 ### Documentation
 
+* auto `zone_id` can only be used for fleet node types in `databricks_instance_pool` resource ([#4782](https://github.com/databricks/terraform-provider-databricks/pull/4782)).
+* Document `tags` attribute in `databricks_pipeline` resource ([#4783](https://github.com/databricks/terraform-provider-databricks/pull/4783)).
+
 ### Exporter
 
 ### Internal Changes

docs/resources/pipeline.md

@@ -110,6 +110,7 @@ The following arguments are supported:
   * `name` - (Required) The table name the event log is published to in UC.
   * `catalog` - (Optional, default to `catalog` defined on pipeline level) The UC catalog the event log is published under.
   * `schema` - (Optional, default to `schema` defined on pipeline level) The UC schema the event log is published under.
+* `tags` - (Optional, map of strings) A map of tags associated with the pipeline. These are forwarded to the cluster as cluster tags, and are therefore subject to the same limitations. A maximum of 25 tags can be added to the pipeline.
 
 ### library block