Release Google.Cloud.AIPlatform.V1 version 3.15.0 (#14152)

Changes in this release:

### New features

- Expose code execution tool API to v1 ([commit 211a43b](https://togithub.com/googleapis/google-cloud-dotnet/commit/211a43b6408ec56e1a14958606ea9501f1060e9f))
- Enable FeatureView Service Account in v1 API version ([commit 34dc1ce](https://togithub.com/googleapis/google-cloud-dotnet/commit/34dc1ce66d1079f9a1314a3bf4fa901d5d1655b1))
- Add per-modality token count break downs for GenAI APIs ([commit 2bcde58](https://togithub.com/googleapis/google-cloud-dotnet/commit/2bcde58e01cb095c711ede71c3782659ecab8083))
- Add speculative decoding spec to DeployedModel proto ([commit 82e8ed5](https://togithub.com/googleapis/google-cloud-dotnet/commit/82e8ed5c5884869131537c2c0ae0134410b1b2d0))
- Add machine_spec, data_persistent_disk_spec, network_spec, euc_config, shielded_vm_config to message `.google.cloud.aiplatform.v1.NotebookRuntime` ([commit 4b7f03d](https://togithub.com/googleapis/google-cloud-dotnet/commit/4b7f03d8c197a823ccc00b99c420de6080924318))
- Reasoning Engine v1 GAPIC release ([commit b5ac4d9](https://togithub.com/googleapis/google-cloud-dotnet/commit/b5ac4d90c0ce4d62c74d81b34da679f898b83bf4))
- Add retrieval_config to ToolConfig v1 ([commit bb1c6e6](https://togithub.com/googleapis/google-cloud-dotnet/commit/bb1c6e6d73a8a4b96956dcf454d3d6fe588c468b))

### Documentation improvements

- Deprecate `is_default` in message `.google.cloud.aiplatform.v1.NotebookRuntimeTemplate` ([commit 4b7f03d](https://togithub.com/googleapis/google-cloud-dotnet/commit/4b7f03d8c197a823ccc00b99c420de6080924318))
- Deprecate `service_account` in message `.google.cloud.aiplatform.v1.NotebookRuntimeTemplate` ([commit 4b7f03d](https://togithub.com/googleapis/google-cloud-dotnet/commit/4b7f03d8c197a823ccc00b99c420de6080924318))
- Deprecate `service_account` in message `.google.cloud.aiplatform.v1.NotebookRuntime` ([commit 4b7f03d](https://togithub.com/googleapis/google-cloud-dotnet/commit/4b7f03d8c197a823ccc00b99c420de6080924318))

apis/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>3.14.0</Version>
+    <Version>3.15.0</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Recommended Google client library to access the AI Platform API (v1), which allows you to train high-quality custom machine learning models with minimal machine learning expertise and effort.</Description>

apis/Google.Cloud.AIPlatform.V1/docs/history.md

@@ -1,5 +1,23 @@
 # Version history
 
+## Version 3.15.0, released 2025-01-27
+
+### New features
+
+- Expose code execution tool API to v1 ([commit 211a43b](https://github.com/googleapis/google-cloud-dotnet/commit/211a43b6408ec56e1a14958606ea9501f1060e9f))
+- Enable FeatureView Service Account in v1 API version ([commit 34dc1ce](https://github.com/googleapis/google-cloud-dotnet/commit/34dc1ce66d1079f9a1314a3bf4fa901d5d1655b1))
+- Add per-modality token count break downs for GenAI APIs ([commit 2bcde58](https://github.com/googleapis/google-cloud-dotnet/commit/2bcde58e01cb095c711ede71c3782659ecab8083))
+- Add speculative decoding spec to DeployedModel proto ([commit 82e8ed5](https://github.com/googleapis/google-cloud-dotnet/commit/82e8ed5c5884869131537c2c0ae0134410b1b2d0))
+- Add machine_spec, data_persistent_disk_spec, network_spec, euc_config, shielded_vm_config to message `.google.cloud.aiplatform.v1.NotebookRuntime` ([commit 4b7f03d](https://github.com/googleapis/google-cloud-dotnet/commit/4b7f03d8c197a823ccc00b99c420de6080924318))
+- Reasoning Engine v1 GAPIC release ([commit b5ac4d9](https://github.com/googleapis/google-cloud-dotnet/commit/b5ac4d90c0ce4d62c74d81b34da679f898b83bf4))
+- Add retrieval_config to ToolConfig v1 ([commit bb1c6e6](https://github.com/googleapis/google-cloud-dotnet/commit/bb1c6e6d73a8a4b96956dcf454d3d6fe588c468b))
+
+### Documentation improvements
+
+- Deprecate `is_default` in message `.google.cloud.aiplatform.v1.NotebookRuntimeTemplate` ([commit 4b7f03d](https://github.com/googleapis/google-cloud-dotnet/commit/4b7f03d8c197a823ccc00b99c420de6080924318))
+- Deprecate `service_account` in message `.google.cloud.aiplatform.v1.NotebookRuntimeTemplate` ([commit 4b7f03d](https://github.com/googleapis/google-cloud-dotnet/commit/4b7f03d8c197a823ccc00b99c420de6080924318))
+- Deprecate `service_account` in message `.google.cloud.aiplatform.v1.NotebookRuntime` ([commit 4b7f03d](https://github.com/googleapis/google-cloud-dotnet/commit/4b7f03d8c197a823ccc00b99c420de6080924318))
+
 ## Version 3.14.0, released 2025-01-13
 
 ### New features

generator-input/apis.json

@@ -397,7 +397,7 @@
     },
     {
       "id": "Google.Cloud.AIPlatform.V1",
-      "version": "3.14.0",
+      "version": "3.15.0",
       "type": "grpc",
       "productName": "Cloud AI Platform",
       "productUrl": "https://cloud.google.com/ai-platform/docs/",