Bump Microsoft.Build.Framework from 16.5.0 to 16.6.0

Bumps [Microsoft.Build.Framework](https://github.com/microsoft/msbuild) from 16.5.0 to 16.6.0.
- [Release notes](https://github.com/microsoft/msbuild/releases)
- [Commits](https://github.com/microsoft/msbuild/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

src/LicenseGatherer.Core/LicenseGatherer.Core.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="NuGet.ProjectModel" Version="5.5.1" />
     <PackageReference Include="System.IO.Abstractions" Version="10.0.8" />
     <PackageReference Include="System.Collections.Immutable" Version="1.7.1" />
-    <PackageReference Include="Microsoft.Build.Framework" Version="16.5.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Microsoft.Build.Framework" Version="16.6.0" ExcludeAssets="runtime" />
     <PackageReference Include="Microsoft.Build.Tasks.Core" Version="16.6.0" ExcludeAssets="runtime" />
   </ItemGroup>
 </Project>