Update to .NET 10.0 SDK and migrate sln

Author: jskeet

.github/workflows/pull-request.yaml

@@ -18,8 +18,7 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
-          6.0.x
-          8.0.x
+          10.0.x
         
     - name: Build and test
       run: |

build/buildrelease.sh

@@ -29,7 +29,7 @@ git checkout $TAG
 export Configuration=Release
 export ContinuousIntegrationBuild=true
 
-dotnet build src/NodaTime.Serialization.sln
+dotnet build src/NodaTime.Serialization.slnx
 
 # Only test against .NET Core now; there's no conditional code here,
 # and the Protobuf project only supports 2.0 anyway.
@@ -47,7 +47,7 @@ signtool sign -a -fd SHA256 \
   src/*/bin/Release/*/NodaTime.Serialization.*.dll
 
 # Create the NuGet packages
-dotnet pack --no-build src/NodaTime.Serialization.sln -o $PWD/$OUTPUT
+dotnet pack --no-build src/NodaTime.Serialization.slnx -o $PWD/$OUTPUT
 
 # Sign the NuGet packages
 for package in $OUTPUT/*.nupkg

global.json

@@ -1,6 +1,7 @@
 {
+  "$schema": "http://json.schemastore.org/global",
   "sdk": {
-    "version": "8.0.101",
+    "version": "10.0.101",
     "allowPrerelease": false,
     "rollForward": "latestMinor"
   }

src/NodaTime.Serialization.Benchmarks/NodaTime.Serialization.Benchmarks.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <OutputType>Exe</OutputType>
     <IsPackable>False</IsPackable>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>

src/NodaTime.Serialization.Test/NodaTime.Serialization.Test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
   </PropertyGroup>
 

src/NodaTime.Serialization.sln

@@ -0,0 +1,16 @@
+<Solution>
+  <Configurations>
+    <Platform Name="Any CPU" />
+    <Platform Name="x64" />
+    <Platform Name="x86" />
+  </Configurations>
+  <Folder Name="/MSBuild/">
+    <File Path="../Directory.Build.props" />
+    <File Path="../Directory.Build.targets" />
+  </Folder>
+  <Project Path="NodaTime.Serialization.Benchmarks/NodaTime.Serialization.Benchmarks.csproj" />
+  <Project Path="NodaTime.Serialization.JsonNet/NodaTime.Serialization.JsonNet.csproj" />
+  <Project Path="NodaTime.Serialization.Protobuf/NodaTime.Serialization.Protobuf.csproj" />
+  <Project Path="NodaTime.Serialization.SystemTextJson/NodaTime.Serialization.SystemTextJson.csproj" />
+  <Project Path="NodaTime.Serialization.Test/NodaTime.Serialization.Test.csproj" />
+</Solution>