Release Spanner libraries version 4.0.0 (#8801)

Changes in Google.Cloud.Spanner.Data version 4.0.0:

First GA release of v4.0. Please see release notes for 4.0.0-beta01 and 4.0.0-beta02 for details of breaking changes since v3.x

### Bug fixes

- Fix ToDecimal truncation for SpannerNumeric. ([commit 2be4686](2be4686))
- Fixes ToDecimal truncation for PgNumeric. ([commit 3ff15fb](3ff15fb))

Packages in this release:
- Release Google.Cloud.Spanner.Admin.Database.V1 version 4.0.0
- Release Google.Cloud.Spanner.Admin.Instance.V1 version 4.0.0
- Release Google.Cloud.Spanner.Common.V1 version 4.0.0
- Release Google.Cloud.Spanner.Data version 4.0.0
- Release Google.Cloud.Spanner.V1 version 4.0.0

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>4.0.0-beta02</Version>
+    <Version>4.0.0</Version>
     <TargetFrameworks>netstandard2.1;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>4.0.0-beta02</Version>
+    <Version>4.0.0</Version>
     <TargetFrameworks>netstandard2.1;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>4.0.0-beta02</Version>
+    <Version>4.0.0</Version>
     <TargetFrameworks>netstandard2.1;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>4.0.0-beta02</Version>
+    <Version>4.0.0</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 +1,14 @@
 # Version history
 
+## Version 4.0.0, released 2022-06-22
+
+First GA release of v4.0. Please see release notes for 4.0.0-beta01 and 4.0.0-beta02 for details of breaking changes since v3.x
+
+### Bug fixes
+
+- Fix ToDecimal truncation for SpannerNumeric. ([commit 2be4686](https://github.com/googleapis/google-cloud-dotnet/commit/2be4686f77e94f03a8198490769c40da41166ad2))
+- Fixes ToDecimal truncation for PgNumeric. ([commit 3ff15fb](https://github.com/googleapis/google-cloud-dotnet/commit/3ff15fb663ec9d1f7b2b3eef796d910d8767c673))
+
 ## Version 4.0.0-beta02, released 2022-06-13
 
 ### 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>4.0.0-beta02</Version>
+    <Version>4.0.0</Version>
     <TargetFrameworks>netstandard2.1;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>

apis/apis.json

@@ -3114,7 +3114,7 @@
       "protoPath": "google/spanner/admin/database/v1",
       "productName": "Google Cloud Spanner Database Administration",
       "productUrl": "https://cloud.google.com/spanner/",
-      "version": "4.0.0-beta02",
+      "version": "4.0.0",
       "commonResourcesConfig": "apis/Google.Cloud.Spanner.Common.V1/CommonResourcesConfig.json",
       "type": "grpc",
       "description": "Recommended Google client library to access the Google Cloud Spanner Database Admin API.",
@@ -3138,7 +3138,7 @@
       "protoPath": "google/spanner/admin/instance/v1",
       "productName": "Google Cloud Spanner Instance Administration",
       "productUrl": "https://cloud.google.com/spanner/",
-      "version": "4.0.0-beta02",
+      "version": "4.0.0",
       "commonResourcesConfig": "apis/Google.Cloud.Spanner.Common.V1/CommonResourcesConfig.json",
       "type": "grpc",
       "description": "Recommended Google client library to access the Google Cloud Spanner Instance Admin API.",
@@ -3160,7 +3160,7 @@
       "id": "Google.Cloud.Spanner.Data",
       "targetFrameworks": "netstandard2.1;net462",
       "testTargetFrameworks": "netcoreapp3.1;net462",
-      "version": "4.0.0-beta02",
+      "version": "4.0.0",
       "type": "other",
       "metadataType": "INTEGRATION",
       "description": "Google ADO.NET Provider for Google Cloud Spanner.",
@@ -3186,7 +3186,7 @@
       "id": "Google.Cloud.Spanner.Common.V1",
       "type": "other",
       "targetFrameworks": "netstandard2.1;net462",
-      "version": "4.0.0-beta02",
+      "version": "4.0.0",
       "description": "Common resource names used by all Spanner V1 APIs",
       "tags": [
         "Spanner"
@@ -3202,7 +3202,7 @@
       "protoPath": "google/spanner/v1",
       "productName": "Google Cloud Spanner",
       "productUrl": "https://cloud.google.com/spanner/",
-      "version": "4.0.0-beta02",
+      "version": "4.0.0",
       "commonResourcesConfig": "apis/Google.Cloud.Spanner.Common.V1/CommonResourcesConfig.json",
       "type": "grpc",
       "metadataType": "GAPIC_COMBO",