chore: Release library Google.Cloud.Spanner version 5.11.0

### New features

- Add Spanner request ID in exceptions
- Add Spanner request ID header

Librarian-Release-Library: Google.Cloud.Spanner
Librarian-Release-Version: 5.11.0
Librarian-Release-ID: release-20260113T085535Z

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

apis/Google.Cloud.Spanner.Admin.Database.V1/Google.Cloud.Spanner.Admin.Database.V1/Google.Cloud.Spanner.Admin.Database.V1.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>5.10.0</Version>
+    <Version>5.11.0</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Recommended Google client library to access the Google Cloud Spanner Database Admin API.</Description>

apis/Google.Cloud.Spanner.Admin.Instance.V1/Google.Cloud.Spanner.Admin.Instance.V1/Google.Cloud.Spanner.Admin.Instance.V1.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>5.10.0</Version>
+    <Version>5.11.0</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Recommended Google client library to access the Google Cloud Spanner Instance Admin API.</Description>

apis/Google.Cloud.Spanner.Common.V1/Google.Cloud.Spanner.Common.V1/Google.Cloud.Spanner.Common.V1.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>5.10.0</Version>
+    <Version>5.11.0</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Common resource names used by all Spanner V1 APIs</Description>

apis/Google.Cloud.Spanner.Data/Google.Cloud.Spanner.Data/Google.Cloud.Spanner.Data.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>5.10.0</Version>
+    <Version>5.11.0</Version>
     <TargetFrameworks>netstandard2.1;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Google ADO.NET Provider for Google Cloud Spanner.</Description>

apis/Google.Cloud.Spanner.Data/docs/history.md

@@ -1,5 +1,12 @@
 # Version history
 
+## Version 5.11.0, released 2026-01-13
+
+### New features
+
+- Add Spanner request ID in exceptions
+- Add Spanner request ID header
+
 ## Version 5.10.0, released 2026-01-08
 
 ### New features

apis/Google.Cloud.Spanner.V1/Google.Cloud.Spanner.V1/Google.Cloud.Spanner.V1.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>5.10.0</Version>
+    <Version>5.11.0</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Low-level Google client library to access the Google Cloud Spanner API. The ADO.NET provider (Google.Cloud.Spanner.Data) which depends on this package is generally preferred for Spanner access.</Description>

generator-input/apis.json

@@ -5415,7 +5415,7 @@
       "protoPath": "google/spanner/admin/database/v1",
       "productName": "Google Cloud Spanner Database Administration",
       "productUrl": "https://cloud.google.com/spanner/",
-      "version": "5.10.0",
+      "version": "5.11.0",
       "commonResourcesConfig": "tweaks/Google.Cloud.Spanner.Common.V1/CommonResourcesConfig.json",
       "type": "grpc",
       "description": "Recommended Google client library to access the Google Cloud Spanner Database Admin API.",
@@ -5443,7 +5443,7 @@
       "protoPath": "google/spanner/admin/instance/v1",
       "productName": "Google Cloud Spanner Instance Administration",
       "productUrl": "https://cloud.google.com/spanner/",
-      "version": "5.10.0",
+      "version": "5.11.0",
       "commonResourcesConfig": "tweaks/Google.Cloud.Spanner.Common.V1/CommonResourcesConfig.json",
       "type": "grpc",
       "description": "Recommended Google client library to access the Google Cloud Spanner Instance Admin API.",
@@ -5468,7 +5468,7 @@
     {
       "id": "Google.Cloud.Spanner.Data",
       "targetFrameworks": "netstandard2.1;net462",
-      "version": "5.10.0",
+      "version": "5.11.0",
       "type": "other",
       "metadataType": "INTEGRATION",
       "shortName": "spanner",
@@ -5505,7 +5505,7 @@
     {
       "id": "Google.Cloud.Spanner.Common.V1",
       "type": "other",
-      "version": "5.10.0",
+      "version": "5.11.0",
       "description": "Common resource names used by all Spanner V1 APIs",
       "shortName": "spanner",
       "tags": [
@@ -5522,7 +5522,7 @@
       "protoPath": "google/spanner/v1",
       "productName": "Google Cloud Spanner",
       "productUrl": "https://cloud.google.com/spanner/",
-      "version": "5.10.0",
+      "version": "5.11.0",
       "commonResourcesConfig": "tweaks/Google.Cloud.Spanner.Common.V1/CommonResourcesConfig.json",
       "type": "grpc",
       "metadataType": "GAPIC_COMBO",

generator-input/pipeline-state.json

@@ -4062,12 +4062,12 @@
         },
         {
             "id": "Google.Cloud.Spanner",
-            "currentVersion": "5.10.0",
+            "currentVersion": "5.11.0",
             "generationAutomationLevel": "AUTOMATION_LEVEL_AUTOMATIC",
             "releaseAutomationLevel": "AUTOMATION_LEVEL_AUTOMATIC",
-            "releaseTimestamp": "2026-01-08T08:34:14.291376827Z",
+            "releaseTimestamp": "2026-01-13T09:19:43.553533052Z",
             "lastGeneratedCommit": "136a2c43b38a67cfe07317031764dd1ca1043fc6",
-            "lastReleasedCommit": "211d22fa6dfabfa52cbda04d1aee852a01301edf",
+            "lastReleasedCommit": "136a2c43b38a67cfe07317031764dd1ca1043fc6",
             "apiPaths": [
                 "google/spanner/admin/database/v1",
                 "google/spanner/admin/instance/v1",