Update Microsoft.AspNetCore.SpaServices.Extensions to the latest 3.1.8

Author: liborpansky

AspNetCoreVueStarter.csproj

@@ -13,13 +13,13 @@
     <Copyright>MIT 2020 Software Ateliers</Copyright>
     <AssemblyName>AspNetCoreVueStarter</AssemblyName>
     <RootNamespace>AspNetCoreVueStarter</RootNamespace>
-    <Version>2.5.0</Version>
-    <AssemblyVersion>2.5.0.0</AssemblyVersion>
-    <FileVersion>2.5.0.0</FileVersion>
+	<Version>2.5.0</Version>
+	<AssemblyVersion>2.5.0.0</AssemblyVersion>
+	<FileVersion>2.5.0.0</FileVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="3.1.6" />
+    <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="3.1.8" />
     <PackageReference Include="VueCliMiddleware" Version="3.1.1" />
   </ItemGroup>