Merge pull request #274 from milkshakesoftware/dependabot/nuget/PreMailer.Net/PreMailer.Net.Tests/Microsoft.NET.Test.Sdk-17.0.0

Author: martinnormark

PreMailer.Net/PreMailer.Net.Tests/PreMailer.Net.Tests.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
     <PackageReference Include="Moq" Version="4.16.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />