chore(deps): update dependency microsoft.net.test.sdk to 18.3.0

Author: renovate[bot]

test/JamieMagee.MicrosoftSecurityUpdates.Client.Test/JamieMagee.MicrosoftSecurityUpdates.Client.Test.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.12.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="xunit.v3" Version="3.2.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>