Bump YamlDotNet from 13.2.0 to 13.3.1 (#518)

Bumps [YamlDotNet](https://github.com/aaubry/YamlDotNet) from 13.2.0 to 13.3.1.
- [Release notes](https://github.com/aaubry/YamlDotNet/releases)
- [Commits](aaubry/YamlDotNet@v13.2.0...v13.3.1)

---
updated-dependencies:
- dependency-name: YamlDotNet
  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>

Author: dependabot[bot]

NGitLab.Mock/NGitLab.Mock.csproj

@@ -13,7 +13,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="YamlDotNet" Version="13.2.0" />
+    <PackageReference Include="YamlDotNet" Version="13.3.1" />
   </ItemGroup>
 
   <ItemGroup Condition="$(TargetFramework) == 'net472'">