chore(deps): update dependency autofixture to 5.0.0-preview0012 (#351)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [AutoFixture](https://redirect.github.com/AutoFixture/AutoFixture) |
`5.0.0-preview0011` -> `5.0.0-preview0012` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/AutoFixture/5.0.0-preview0012?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/AutoFixture/5.0.0-preview0012?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/AutoFixture/5.0.0-preview0011/5.0.0-preview0012?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/AutoFixture/5.0.0-preview0011/5.0.0-preview0012?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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Directory.Packages.props

@@ -17,7 +17,7 @@
   </ItemGroup>
 
   <ItemGroup Label="test">
-    <PackageVersion Include="AutoFixture" Version="5.0.0-preview0011" />
+    <PackageVersion Include="AutoFixture" Version="5.0.0-preview0012" />
     <PackageVersion Include="BenchmarkDotNet" Version="0.14.0" />
     <PackageVersion Include="coverlet.collector" Version="6.0.3" />
     <PackageVersion Include="coverlet.msbuild" Version="6.0.3" />