Bump Humanizer.Core from 2.11.10 to 2.13.14 (#93)

Bumps [Humanizer.Core](https://github.com/Humanizr/Humanizer) from 2.11.10 to 2.13.14.
- [Release notes](https://github.com/Humanizr/Humanizer/releases)
- [Changelog](https://github.com/Humanizr/Humanizer/blob/main/release_notes.md)
- [Commits](Humanizr/Humanizer@v2.11.10...v2.13.14)

---
updated-dependencies:
- dependency-name: Humanizer.Core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/Exercism.TestRunner.CSharp/Exercism.TestRunner.CSharp.csproj

@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.8.0" />
     <PackageReference Include="Exercism.Tests" Version="0.1.0-beta1" />
-    <PackageReference Include="Humanizer.Core" Version="2.11.10" />
+    <PackageReference Include="Humanizer.Core" Version="2.13.14" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.0.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="xunit" Version="2.4.1" />