build(deps): Bump FSharp.Core from 7.0.400 to 8.0.100 (#776)

Bumps [FSharp.Core](https://github.com/dotnet/fsharp) from 7.0.400 to 8.0.100.
- [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-major
...

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

Author: dependabot[bot]

wpf/ReactiveUI.Samples.Basics.FSharp/ReactiveUI.Samples.Basics.FSharp.fsproj

@@ -8,7 +8,7 @@
 
     <ItemGroup>
         <PackageReference Include="FSharp.Core.Wpf" Version="5.0.3" />
-        <PackageReference Update="FSharp.Core" Version="7.0.400" />
+        <PackageReference Update="FSharp.Core" Version="8.0.100" />
     </ItemGroup>
 
     <ItemGroup>