THRIFT-5349 Add net5.0 as supported platform
Client: netstd
Patch: Jens Geyer

This closes #2328
diff --git a/lib/netstd/Benchmarks/Thrift.Benchmarks/Thrift.Benchmarks.csproj b/lib/netstd/Benchmarks/Thrift.Benchmarks/Thrift.Benchmarks.csproj
index 35138d8..baef759 100644
--- a/lib/netstd/Benchmarks/Thrift.Benchmarks/Thrift.Benchmarks.csproj
+++ b/lib/netstd/Benchmarks/Thrift.Benchmarks/Thrift.Benchmarks.csproj
@@ -20,12 +20,12 @@
   
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>netcoreapp3.1;net48</TargetFrameworks>
+    <TargetFrameworks>net5.0;net48</TargetFrameworks>
     <TieredCompilation>false</TieredCompilation>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.12.0" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
   </ItemGroup>
 
   <ItemGroup>