Update Microsoft.NET.Test.Sdk to version 17.13.0

Updated the `Microsoft.NET.Test.Sdk` package version from
17.12.0 to 17.13.0 in the `Edi.Captcha.Tests.csproj` file.

Author: EdiWang

src/Edi.Captcha.Tests/Edi.Captcha.Tests.csproj

@@ -7,7 +7,7 @@
     <PackageReference Include="NUnit" Version="4.3.2" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Edi.Captcha\Edi.Captcha.csproj" />