Update dependency NuGet.VisualStudio to 5.11.6

Author: renovate[bot]

src/VSIX/ApiClientCodeGen.VSIX/ApiClientCodeGen.VSIX.csproj

@@ -764,7 +764,7 @@
       <Version>13.0.4</Version>
     </PackageReference>
     <PackageReference Include="NuGet.VisualStudio">
-      <Version>3.5.0</Version>
+      <Version>5.11.6</Version>
     </PackageReference>
     <PackageReference Include="System.Text.Encodings.Web">
       <Version>5.0.1</Version>