Bump EssentialCSharp.Shared.Models from 1.1.1.18928 to 1.1.1.18931 (#980)

Updated EssentialCSharp.Shared.Models from 1.1.1.18928 to 1.1.1.18931.

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Directory.Packages.props

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
-    <ToolingPackagesVersion>1.1.1.18928</ToolingPackagesVersion>
+    <ToolingPackagesVersion>1.1.1.18931</ToolingPackagesVersion>
     <AccessToNugetFeed>false</AccessToNugetFeed>
     <RestoreSources>
       https://api.nuget.org/v3/index.json;