Bump YamlDotNet from 16.2.0 to 16.2.1 (#1501)

Bumps [YamlDotNet](https://github.com/aaubry/YamlDotNet) from 16.2.0 to 16.2.1.
- [Release notes](https://github.com/aaubry/YamlDotNet/releases)
- [Commits](aaubry/YamlDotNet@v16.2.0...v16.2.1)

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

server/Tingle.Dependabot/Tingle.Dependabot.csproj

@@ -40,7 +40,7 @@
     <PackageReference Include="Tingle.Extensions.Primitives" Version="5.0.0" />
     <PackageReference Include="Tingle.Extensions.Serilog" Version="4.14.1" />
     <PackageReference Include="Tingle.PeriodicTasks" Version="1.5.2" />
-    <PackageReference Include="YamlDotNet" Version="16.2.0" />
+    <PackageReference Include="YamlDotNet" Version="16.2.1" />
   </ItemGroup>
 
   <ItemGroup>