Bump AutoFixture.Xunit2 from 4.18.0 to 4.18.1 in /src

Bumps [AutoFixture.Xunit2](https://github.com/AutoFixture/AutoFixture) from 4.18.0 to 4.18.1.
- [Release notes](https://github.com/AutoFixture/AutoFixture/releases)
- [Commits](AutoFixture/AutoFixture@v4.18.0...v4.18.1)

---
updated-dependencies:
- dependency-name: AutoFixture.Xunit2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

src/Sleddog.Blink1.Tests/Sleddog.Blink1.Tests.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture.Xunit2" Version="4.18.0" />
+    <PackageReference Include="AutoFixture.Xunit2" Version="4.18.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="xunit" Version="2.6.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4">