Update services based on v1.45.28 of AWS Go SDK

Reference: https://github.com/aws/aws-sdk-go/releases/tag/v1.45.28

.latest-tag-aws-sdk-go

@@ -1 +1 @@
-v1.45.27
+v1.45.28

lib/aws/generated/kendra.ex

@@ -767,6 +767,13 @@ defmodule AWS.Kendra do
   @doc """
   Searches an index given an input query.
 
+  If you are working with large language models (LLMs) or implementing retrieval
+  augmented generation (RAG) systems, you can use Amazon Kendra's
+  [Retrieve](https://docs.aws.amazon.com/kendra/latest/APIReference/API_Retrieve.html)
+  API, which can return longer semantically relevant passages. We recommend using
+  the `Retrieve` API instead of filing a service limit increase to increase the
+  `Query` API document excerpt length.
+
   You can configure boosting or relevance tuning at the query level to override
   boosting at the index level, filter based on document fields/attributes and
   faceted search, and filter based on the user or their group access to documents.
@@ -817,6 +824,12 @@ defmodule AWS.Kendra do
 
     * Filter based on the user or their group access to documents
 
+    * View the confidence score bucket for a retrieved passage result.
+  The confidence bucket provides a relative ranking that indicates how confident
+  Amazon Kendra is that the response is relevant to the query.
+
+  Confidence score buckets are currently available only for English.
+
   You can also include certain fields in the response that might provide useful
   additional information.