Bump FSharp.Core from 4.7.0 to 8.0.400

Bumps [FSharp.Core](https://github.com/dotnet/fsharp) from 4.7.0 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-major
...

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

src/SelectXmlExtensions/SelectXmlExtensions.fsproj

@@ -16,7 +16,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="FSharp.Core" Version="4.7.0" />
+    <PackageReference Include="FSharp.Core" Version="8.0.400" />
     <PackageReference Include="Microsoft.PowerShell.Commands.Utility" Version="7.2.1" />
   </ItemGroup>