Bump Microsoft.NET.Test.Sdk from 17.6.0 to 17.9.0

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.6.0 to 17.9.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.0...v17.9.0)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

tests/GraphQL.Client.Serializer.Tests/GraphQL.Client.Serializer.Tests.csproj

@@ -20,7 +20,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Update="xunit" Version="2.6.2" />
     <PackageReference Update="xunit.runner.visualstudio" Version="2.5.4">
       <PrivateAssets>all</PrivateAssets>

tests/GraphQL.Integration.Tests/GraphQL.Integration.Tests.csproj

@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Update="xunit" Version="2.6.2" />
     <PackageReference Update="xunit.runner.visualstudio" Version="2.5.4">
       <PrivateAssets>all</PrivateAssets>

tests/GraphQL.Primitives.Tests/GraphQL.Primitives.Tests.csproj

@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Update="xunit" Version="2.6.2" />
     <PackageReference Update="xunit.runner.visualstudio" Version="2.5.4">
       <PrivateAssets>all</PrivateAssets>

tests/tests.props

@@ -8,8 +8,8 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions.Reactive" Version="0.2.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageReference Include="xunit" Version="2.6.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4" />
     <PackageReference Include="coverlet.collector" Version="6.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime;build;native;contentfiles;analyzers;buildtransitive</IncludeAssets>