change targets to include net461 and net472 (fix #921)

Directory.Build.props

@@ -4,6 +4,7 @@
     <Copyright>2017 Stack Exchange, Inc.</Copyright>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <LibTargetFrameworks>net461;netstandard2.0;net472</LibTargetFrameworks>
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)StackExchange.Redis.snk</AssemblyOriginatorKeyFile>
     <PackageId>$(AssemblyName)</PackageId>
     <Features>strict</Features>

global.json

 
 {
   "sdk": {
-    "version": "2.1.300"
+    "version": "2.1.401"
   }
 }
\ No newline at end of file

src/NRediSearch/NRediSearch.csproj

 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>$(LibTargetFrameworks)</TargetFrameworks>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
     <PackageTags>Redis;Search;Modules;RediSearch</PackageTags>
     <SignAssembly>true</SignAssembly>

src/StackExchange.Redis.StrongName/StackExchange.Redis.StrongName.csproj

 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>$(LibTargetFrameworks)</TargetFrameworks>
     <Description>High performance Redis client, incorporating both synchronous and asynchronous usage.</Description>
     <AssemblyTitle>StackExchange.Redis.StrongName</AssemblyTitle>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>

src/StackExchange.Redis/StackExchange.Redis.csproj

 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>$(LibTargetFrameworks)</TargetFrameworks>
     <Description>High performance Redis client, incorporating both synchronous and asynchronous usage.</Description>
     <AssemblyName>StackExchange.Redis</AssemblyName>
     <AssemblyTitle>StackExchange.Redis</AssemblyTitle>
@@ -23,5 +23,6 @@
     <PackageReference Include="System.Diagnostics.PerformanceCounter" Version="4.5.0" />
     <PackageReference Include="System.IO.Pipelines" Version="4.5.0" />
     <PackageReference Include="System.Threading.Channels" Version="4.5.0" />
+    <PackageReference Include="System.IO.Compression" Version="4.3.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file

tests/StackExchange.Redis.Tests/Parse.cs

@@ -82,6 +82,7 @@ public FragmentedSegment(long runningIndex, ReadOnlyMemory<T> memory)
                 RunningIndex = runningIndex;
                 Memory = memory;
             }
+
             public new FragmentedSegment<T> Next
             {
                 get => (FragmentedSegment<T>)base.Next;