chore(deps): update dependency nuget.projectmodel to v5.11.2 (#150)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -25,7 +25,7 @@
         <PackageVersion Include="MSTest.TestFramework" Version="2.2.10"/>
         <PackageVersion Include="Nett" Version="0.15.0"/>
         <PackageVersion Include="Newtonsoft.Json" Version="13.0.1"/>
-        <PackageVersion Include="NuGet.ProjectModel" Version="5.6.0"/>
+        <PackageVersion Include="NuGet.ProjectModel" Version="5.11.2"/>
         <PackageVersion Include="NuGet.Versioning" Version="5.11.2"/>
         <PackageVersion Include="packageurl-dotnet" Version="1.0.0"/>
         <PackageVersion Include="Polly" Version="7.2.3"/>