chore: Release library Google.Cloud.BackupDR.V1 version 2.8.0

### New features

- Add support for AlloyDB backup and restore

### Documentation improvements

- A comment for field `log_retention_days` in message `.google.cloud.backupdr.v1.BackupPlan` is changed

Librarian-Release-Library: Google.Cloud.BackupDR.V1
Librarian-Release-Version: 2.8.0
Librarian-Release-ID: release-20260129T184725Z

Author: google-cloud-sdk-librarian-dotnet-robot

apis/Google.Cloud.BackupDR.V1/Google.Cloud.BackupDR.V1/Google.Cloud.BackupDR.V1.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>2.7.0</Version>
+    <Version>2.8.0</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Recommended Google client library to access the Backup and DR service, which is a powerful, centralized, cloud-first backup and disaster recovery solution for cloud-based and hybrid workloads.</Description>

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

@@ -1,5 +1,15 @@
 # Version history
 
+## Version 2.8.0, released 2026-01-29
+
+### New features
+
+- Add support for AlloyDB backup and restore
+
+### Documentation improvements
+
+- A comment for field `log_retention_days` in message `.google.cloud.backupdr.v1.BackupPlan` is changed
+
 ## Version 2.7.0, released 2026-01-13
 
 ### New features

generator-input/apis.json

@@ -838,7 +838,7 @@
     },
     {
       "id": "Google.Cloud.BackupDR.V1",
-      "version": "2.7.0",
+      "version": "2.8.0",
       "type": "grpc",
       "productName": "Backup and DR Service",
       "productUrl": "https://cloud.google.com/backup-disaster-recovery/docs/concepts/backup-dr",

generator-input/pipeline-state.json

@@ -513,12 +513,12 @@
         },
         {
             "id": "Google.Cloud.BackupDR.V1",
-            "currentVersion": "2.7.0",
+            "currentVersion": "2.8.0",
             "generationAutomationLevel": "AUTOMATION_LEVEL_AUTOMATIC",
             "releaseAutomationLevel": "AUTOMATION_LEVEL_AUTOMATIC",
-            "releaseTimestamp": "2026-01-13T08:59:43.696382460Z",
+            "releaseTimestamp": "2026-01-29T18:51:36.474528759Z",
             "lastGeneratedCommit": "4b64cb41fe090cb27e540af23ee1a4f73d9c3118",
-            "lastReleasedCommit": "524b2de63ab28fd96abd5a1b077f00a5503d79c4",
+            "lastReleasedCommit": "4b64cb41fe090cb27e540af23ee1a4f73d9c3118",
             "apiPaths": [
                 "google/cloud/backupdr/v1"
             ],