Bump YamlDotNet from 15.1.4 to 15.1.6

Bumps [YamlDotNet](https://github.com/aaubry/YamlDotNet) from 15.1.4 to 15.1.6.
- [Release notes](https://github.com/aaubry/YamlDotNet/releases)
- [Commits](aaubry/YamlDotNet@v15.1.4...v15.1.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

PacsRefetch/PacsRefetch.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="fo-dicom" Version="5.1.2" />
     <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
     <PackageReference Include="Vecc.YamlDotNet.Analyzers.StaticGenerator" Version="15.1.2" />
-    <PackageReference Include="YamlDotNet" Version="15.1.4" />
+    <PackageReference Include="YamlDotNet" Version="15.1.6" />
   </ItemGroup>
 
 </Project>