Release Google.Cloud.ManagedKafka.V1 version 1.0.0-beta03 (#14091)

Changes in this release:

### New features

- Adds new resource_definition option ([commit 48e8d4b](https://togithub.com/googleapis/google-cloud-dotnet/commit/48e8d4bcd05be9ef6865a1ef94ce4429111f1e3d))

Author: jskeet

apis/Google.Cloud.ManagedKafka.V1/Google.Cloud.ManagedKafka.V1/Google.Cloud.ManagedKafka.V1.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>1.0.0-beta02</Version>
+    <Version>1.0.0-beta03</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Recommended Google client library to access the Managed Service for Apache Kafka API, which lets you ingest Kafka streams directly into Google Cloud.</Description>

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

@@ -1,5 +1,11 @@
 # Version history
 
+## Version 1.0.0-beta03, released 2025-01-13
+
+### New features
+
+- Adds new resource_definition option ([commit 48e8d4b](https://github.com/googleapis/google-cloud-dotnet/commit/48e8d4bcd05be9ef6865a1ef94ce4429111f1e3d))
+
 ## Version 1.0.0-beta02, released 2024-12-06
 
 ### New features

generator-input/apis.json

@@ -3262,7 +3262,7 @@
     },
     {
       "id": "Google.Cloud.ManagedKafka.V1",
-      "version": "1.0.0-beta02",
+      "version": "1.0.0-beta03",
       "type": "grpc",
       "productName": "Managed Service for Apache Kafka API",
       "productUrl": "https://cloud.google.com/managed-kafka",