Update target version of EqDemoWinFormsNet4 to 4.8.1

Author: korzh

WinForms/EqDemoWinFormsNet4/App.config

@@ -5,7 +5,7 @@
       <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
     </configSections>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/>
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8.1"/>
     </startup>
     <connectionStrings>
       <add name="DefaultConnection" connectionString="Data Source=(localdb)\MSSQLLocalDB;Initial Catalog=EqDemo.AspNet4x.AdvancedSearch;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False" providerName="System.Data.SqlClient"/>
@@ -20,4 +20,3 @@
 		  <add key="DpiAwareness" value="PerMonitorV2"/>
 	  </System.Windows.Forms.ApplicationConfigurationSection>
 </configuration>
-

WinForms/EqDemoWinFormsNet4/EqDemoWinFormsNet4.csproj

@@ -8,7 +8,7 @@
     <OutputType>WinExe</OutputType>
     <RootNamespace>EqDemo</RootNamespace>
     <AssemblyName>EqDemoWinFormsNet4</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <Deterministic>true</Deterministic>