build(deps): bump YamlDotNet from 15.1.4 to 15.1.6 (#9968)

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

Author: dependabot[bot]

Directory.Packages.props

@@ -23,7 +23,7 @@
     <PackageVersion Include="Stubble.Core" Version="1.10.8" />
     <PackageVersion Include="System.Collections.Immutable" Version="8.0.0" />
     <PackageVersion Include="System.Composition" Version="8.0.0" />
-    <PackageVersion Include="YamlDotNet" Version="15.1.4" />
+    <PackageVersion Include="YamlDotNet" Version="15.1.6" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">