.NET Core 3.1 will reach EOL since 2022-12-13

- https://devblogs.microsoft.com/dotnet/net-core-3-1-will-reach-end-of-support-on-december-13-2022/

Author: akunzai

.github/workflows/ci.yml

@@ -27,7 +27,6 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            3.1.x
             6.0.x
       - name: Build
         run: |

test/Spring.Extensions.DependencyInjection.Tests/Spring.Extensions.DependencyInjection.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;netcoreapp3.1;net48</TargetFrameworks>
+    <TargetFrameworks>net6.0;net48</TargetFrameworks>
     <IsTestProject>true</IsTestProject>
     <IsPackable>false</IsPackable>
   </PropertyGroup>