Convert to netstandard 2.1

Author: jburnett

common.prod.props

@@ -2,6 +2,10 @@
 
   <Import Project="./common.props" />
 
+  <!-- Target frameworks  -->
+  <PropertyGroup>
+      <TargetFrameworks>netstandard2.1</TargetFrameworks>
+  </PropertyGroup>
 
   <!-- NuGet package attributes  -->
   <PropertyGroup>

common.props

@@ -7,17 +7,12 @@
         <Authors>@jburnett</Authors>
     </PropertyGroup>
 
-    <!-- Target frameworks  -->
-    <PropertyGroup>
-        <TargetFrameworks>net8.0</TargetFrameworks>
-    </PropertyGroup>
-
     <!-- Assembly version & attribute controls -->
     <PropertyGroup>
         <!-- Associate test assemblies with AltaModa Extensions -->
         <Product>AltaModa .NET Extensions</Product>
 
-        <VersionPrefix>4.0.0</VersionPrefix>
+        <VersionPrefix>4.1.0</VersionPrefix>
 
         <GenerateAssemblyConfigurationAttribute>true</GenerateAssemblyConfigurationAttribute>
         <GenerateAssemblyCompanyAttribute>true</GenerateAssemblyCompanyAttribute>

common.test.props

@@ -2,6 +2,10 @@
 
   <Import Project="./common.props" />
 
+  <!-- Target frameworks  -->
+  <PropertyGroup>
+      <TargetFrameworks>net8.0</TargetFrameworks>
+  </PropertyGroup>
 
   <!-- Packages for test support  -->
   <ItemGroup>