Bump Microsoft.NET.Test.Sdk from 17.6.3 to 17.7.0 in /src (#375)

Author: dependabot[bot]

src/DiffEngine.Tests/DiffEngine.Tests.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <Using Include="DiffEngine" />
     <PackageReference Include="MarkdownSnippets.MsBuild" Version="24.5.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
     <PackageReference Include="Argon" Version="0.7.2" />
     <PackageReference Include="Xunit" Version="2.5.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />

src/DiffEngineTray.Tests/DiffEngineTray.Tests.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Using Include="DiffEngine" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
     <PackageReference Include="Argon" Version="0.7.2" />
     <PackageReference Include="Verify.DiffPlex" Version="2.2.1" />
     <PackageReference Include="Verify.WinForms" Version="4.0.0" />