update .net version

csharpcore-Verify.xunit/GildedRose/GildedRose.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <StartupObject>GildedRoseKata.Program</StartupObject>
   </PropertyGroup>
 

csharpcore-Verify.xunit/GildedRoseTests/GildedRoseTests.csproj

 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net7.0</TargetFramework>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
     <ItemGroup>

csharpcore-Verify.xunit/global.json

+{
+  "sdk": {
+    "version": "7.0.0",
+    "rollForward": "latestMajor",
+    "allowPrerelease": true
+  }
+}
\ No newline at end of file