chore(deps): update dependency microsoft.net.test.sdk to v17.6.0

Author: renovate[bot]

src/Hashflags.Tests/Hashflags.Tests.csproj

@@ -8,7 +8,7 @@
 
     <ItemGroup>
         <PackageReference Include="FluentAssertions" Version="6.8.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
         <PackageReference Include="Moq" Version="4.18.3" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
         <PackageReference Include="xunit" Version="2.4.2" />