Bump Fantomas.FCS from 6.3.4 to 6.3.10

Bumps Fantomas.FCS from 6.3.4 to 6.3.10.

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

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

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="6.3.4" />
-    <PackageReference Include="Fantomas.FCS" Version="6.3.4" />
+    <PackageReference Include="Fantomas.FCS" Version="6.3.10" />
     <PackageReference Include="Humanizer.Core" Version="2.14.1" />
     <PackageReference Update="FSharp.Core" Version="8.0.200" />
   </ItemGroup>