feat(components): Expand regions supported by preview.llm.rlhf_pipeline

PiperOrigin-RevId: 627819341

Author: Googler

components/google-cloud/RELEASE.md

@@ -3,6 +3,7 @@
 * Move `preview.model_evaluation.autosxs_pipeline` to `v1.model_evaluation.autosxs_pipeline`.
 * Remove default prediction column names in `v1.model_evaluation.classification_component` component to fix pipeline errors when using bigquery data source.
 * Drop support for Python 3.7 since it has reached end-of-life.
+* Expand number of regions supported by `preview.llm.rlhf_pipeline`.
 
 ## Release 2.13.1
 * Fix model name preprocess error, pass correct model to `ModelImportEvaluationOp` component in `v1.model_evaluation.evaluation_llm_text_generation_pipeline` and `v1.model_evaluation.evaluation_llm_classification_pipeline`.

components/google-cloud/google_cloud_pipeline_components/_implementation/llm/validate_pipeline.py

@@ -79,8 +79,19 @@ def validate_pipeline(
     # ]
     # [ Check CMEK
     supported_pipeline_regions = {
+        'asia-northeast1',
+        'asia-northeast3',
+        'asia-southeast1',
+        'europe-west1',
+        'europe-west2',
+        'europe-west3',
         'europe-west4',
+        'europe-west9',
+        'northamerica-northeast1',
         'us-central1',
+        'us-east4',
+        'us-west1',
+        'us-west4',
     }
     if location not in supported_pipeline_regions:
       raise ValueError(