Bump Fantomas.FCS from 6.3.3 to 6.3.4 (#219)

Bumps [Fantomas.FCS](https://github.com/fsprojects/fantomas) from 6.3.3 to 6.3.4.
- [Release notes](https://github.com/fsprojects/fantomas/releases)
- [Changelog](https://github.com/fsprojects/fantomas/blob/main/CHANGELOG.md)
- [Commits](fsprojects/fantomas@v6.3.3...v6.3.4)

---
updated-dependencies:
- dependency-name: Fantomas.FCS
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Exercism.TestRunner.FSharp/Exercism.TestRunner.FSharp.fsproj

@@ -21,7 +21,7 @@
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="Fantomas.Core" Version="6.3.3" />
-    <PackageReference Include="Fantomas.FCS" Version="6.3.3" />
+    <PackageReference Include="Fantomas.FCS" Version="6.3.4" />
     <PackageReference Include="Humanizer.Core" Version="2.14.1" />
     <PackageReference Update="FSharp.Core" Version="8.0.200" />
   </ItemGroup>