Bump FakeItEasy from 7.4.0 to 8.0.0 in /src

Bumps [FakeItEasy](https://github.com/FakeItEasy/FakeItEasy) from 7.4.0 to 8.0.0.
- [Release notes](https://github.com/FakeItEasy/FakeItEasy/releases)
- [Commits](FakeItEasy/FakeItEasy@7.4.0...8.0.0)

---
updated-dependencies:
- dependency-name: FakeItEasy
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

src/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests.csproj

@@ -63,7 +63,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="FakeItEasy" Version="7.4.0" />
+    <PackageReference Include="FakeItEasy" Version="8.0.0" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

src/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.csproj

@@ -80,7 +80,7 @@
     <PackageReference Include="AutoFixture.Xunit2" Version="4.18.0" />
     <PackageReference Include="Castle.Core" Version="5.1.1" />
     <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
-    <PackageReference Include="FakeItEasy" Version="7.4.0" />
+    <PackageReference Include="FakeItEasy" Version="8.0.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>