added GCP to note of regions not supported

Tracey Carter · Tracey Carter · commit 788b8b047a6a · 2024-09-03T11:59:32.000-07:00
diff --git a/splunkplatform/unified-id/unified-identity.rst b/splunkplatform/unified-id/unified-identity.rst
@@ -44,7 +44,7 @@ All customers who have both Splunk Cloud Platform and Splunk Observability Cloud
    * - jp0
      - AWS AP Tokyo (ap-northeast-1)
 
-.. note:: Unified Identity is not supported in GovCloud regions.
+.. note:: Unified Identity is not supported in GovCloud or GCP regions.
 
 
 .. _unified-identity-benefits:
