Bump FSharp.Core from 8.0.300 to 8.0.400 in /ProjectV

Bumps [FSharp.Core](https://github.com/dotnet/fsharp) from 8.0.300 to 8.0.400.
- [Release notes](https://github.com/dotnet/fsharp/releases)
- [Changelog](https://github.com/dotnet/fsharp/blob/main/release-notes.md)
- [Commits](https://github.com/dotnet/fsharp/commits)

---
updated-dependencies:
- dependency-name: FSharp.Core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

ProjectV/Directory.Packages.props

@@ -7,7 +7,7 @@
     <PackageVersion Include="coverlet.collector" Version="6.0.2" />
     <PackageVersion Include="CsvHelper" Version="33.0.1" />
     <PackageVersion Include="FileHelpers" Version="3.5.2" />
-    <PackageVersion Include="FSharp.Core" Version="8.0.300" />
+    <PackageVersion Include="FSharp.Core" Version="8.0.400" />
     <PackageVersion Include="FluentAssertions" Version="6.7.0" />
     <PackageVersion Include="Google.Apis" Version="1.68.0" />
     <PackageVersion Include="Google.Apis.Auth" Version="1.68.0" />