build(deps): bump Microsoft.NET.Test.Sdk from 17.12.0 to 17.13.0 in /Notation.Plugin.AzureKeyVault.Tests (#235)

Author: dependabot[bot]

Notation.Plugin.AzureKeyVault.Tests/Notation.Plugin.AzureKeyVault.Tests.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="Moq.AutoMock" Version="3.5.0" />
     <PackageReference Include="System.Security.Cryptography.Pkcs" Version="9.0.2" />