Update dependency PolySharp to 1.16.0

Author: renovate[bot]

Directory.Packages.props

@@ -31,7 +31,7 @@
     <PackageVersion Include="GitVersion.Tool" Version="6.7.0" />
     <PackageVersion Include="Nuke.Common" Version="9.0.4" />
     <PackageVersion Include="Polyfill" Version="10.10.0" />
-    <PackageVersion Include="PolySharp" Version="1.15.0" />
+    <PackageVersion Include="PolySharp" Version="1.16.0" />
     <PackageVersion Include="ReportGenerator" Version="5.5.10" />
     <PackageVersion Include="Rocket.Surgery.Nuke" Version="2.9.12" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.3.0" />