build(deps): Bump Microsoft.NET.Test.Sdk from 17.10.0 to 17.11.0 in /tests/OrasProject.Oras.Tests (#138)

Author: dependabot[bot]

tests/OrasProject.Oras.Tests/OrasProject.Oras.Tests.csproj

@@ -13,7 +13,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
     <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="xunit" Version="2.9.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">