Release Google.Cloud.AIPlatform.V1Beta1 version 1.0.0-beta05 (#13631)

Changes in this release:

### Bug fixes

- Annotate PipelineJob and PipelineTaskRerunConfig fields as optional ([commit 7b00bf9](https://github.com/googleapis/google-cloud-dotnet/commit/7b00bf9de9e656c3eae14474e94a411ba8dcbd12))

### New features

- Add a dynamic retrieval API ([commit 76aa5a6](https://github.com/googleapis/google-cloud-dotnet/commit/76aa5a6a4d2e7750429f18634bd550f196066c5a))

apis/Google.Cloud.AIPlatform.V1Beta1/Google.Cloud.AIPlatform.V1Beta1/Google.Cloud.AIPlatform.V1Beta1.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>1.0.0-beta04</Version>
+    <Version>1.0.0-beta05</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Recommended Google client library to access the AI Platform API (v1beta), which allows you to train high-quality custom machine learning models with minimal machine learning expertise and effort.</Description>

apis/Google.Cloud.AIPlatform.V1Beta1/docs/history.md

@@ -1,5 +1,15 @@
 # Version history
 
+## Version 1.0.0-beta05, released 2024-09-30
+
+### Bug fixes
+
+- Annotate PipelineJob and PipelineTaskRerunConfig fields as optional ([commit 7b00bf9](https://github.com/googleapis/google-cloud-dotnet/commit/7b00bf9de9e656c3eae14474e94a411ba8dcbd12))
+
+### New features
+
+- Add a dynamic retrieval API ([commit 76aa5a6](https://github.com/googleapis/google-cloud-dotnet/commit/76aa5a6a4d2e7750429f18634bd550f196066c5a))
+
 ## Version 1.0.0-beta04, released 2024-09-26
 
 ### New features

apis/apis.json

@@ -348,7 +348,7 @@
     },
     {
       "id": "Google.Cloud.AIPlatform.V1Beta1",
-      "version": "1.0.0-beta04",
+      "version": "1.0.0-beta05",
       "type": "grpc",
       "productName": "Cloud AI Platform",
       "productUrl": "https://cloud.google.com/ai-platform/docs/",