Fix dependency discovered on Ubuntu 20 🐛🧹

Fix the error discovered in c2f034b

Work around the issue described at dotnet/core#2186 and https://github.com/dotnet/core/issues/5019

Integrate the fix shared by @petrsvihlik at dotnet/core#2186 (comment)

Author: Viir

implement/elm-fullstack/Program.cs

@@ -14,7 +14,7 @@ namespace elm_fullstack
 {
     public class Program
     {
-        static public string AppVersionId => "2021-06-05";
+        static public string AppVersionId => "2021-06-16";
 
         static int AdminInterfaceDefaultPort => 4000;
 

implement/elm-fullstack/elm-fullstack.csproj

@@ -5,14 +5,18 @@
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <RootNamespace>elm_fullstack</RootNamespace>
     <AssemblyName>elm-fs</AssemblyName>
-    <AssemblyVersion>2021.0605.0.0</AssemblyVersion>
-    <FileVersion>2021.0605.0.0</FileVersion>
+    <AssemblyVersion>2021.0616.0.0</AssemblyVersion>
+    <FileVersion>2021.0616.0.0</FileVersion>
   </PropertyGroup>
 
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
 
+  <ItemGroup>
+    <RuntimeHostConfigurationOption Include="System.Globalization.Invariant" Value="true" />
+  </ItemGroup>
+
   <PropertyGroup>
     <IncludeSymbolsInSingleFile>true</IncludeSymbolsInSingleFile>
   </PropertyGroup>