Bump Microsoft.EntityFrameworkCore from 5.0.7 to 5.0.8 (#111)

Bumps [Microsoft.EntityFrameworkCore](https://github.com/dotnet/efcore) from 5.0.7 to 5.0.8.
- [Release notes](https://github.com/dotnet/efcore/releases)
- [Commits](dotnet/efcore@v5.0.7...v5.0.8)

---
updated-dependencies:
- dependency-name: Microsoft.EntityFrameworkCore
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

sample/Sample.FunctionalTests/Sample.FunctionalTests.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.7" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.7" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.8" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="5.0.7" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
     <PackageReference Include="xunit" Version="2.4.1" />