chore(main): release Google.Cloud.EntityFrameworkCore.Spanner 3.1.1 (#499)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "3.1.0"
+  ".": "3.1.1"
 }

Google.Cloud.EntityFrameworkCore.Spanner/Google.Cloud.EntityFrameworkCore.Spanner.csproj

@@ -14,8 +14,8 @@
     <RepositoryType>git</RepositoryType>
     <PackageTags>spanner;entity framework;Google;Cloud;efcore</PackageTags>
     <PackageIcon>NuGetIcon.png</PackageIcon>
-    <Version>3.1.0</Version>
-    <PackageVersion>3.1.0</PackageVersion>
+    <Version>3.1.1</Version>
+    <PackageVersion>3.1.1</PackageVersion>
   </PropertyGroup>
 
   <ItemGroup>

docs/history.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [3.1.1](https://github.com/googleapis/dotnet-spanner-entity-framework/compare/Google.Cloud.EntityFrameworkCore.Spanner-3.1.0...Google.Cloud.EntityFrameworkCore.Spanner-3.1.1) (2025-02-26)
+
+
+### Bug Fixes
+
+* README contained outdated links ([#498](https://github.com/googleapis/dotnet-spanner-entity-framework/issues/498)) ([779b29f](https://github.com/googleapis/dotnet-spanner-entity-framework/commit/779b29f3b364ce75ce8ba1585cdcbd8431eaba01))
+
 ## [3.1.0](https://github.com/googleapis/dotnet-spanner-entity-framework/compare/Google.Cloud.EntityFrameworkCore.Spanner-3.0.1...Google.Cloud.EntityFrameworkCore.Spanner-3.1.0) (2025-02-19)