Update testproject to net8 and c# to 12

.github/workflows/build-and-test.yml

@@ -13,15 +13,15 @@ jobs:
       matrix:
         options:
           - os: ubuntu-latest
-            framework: net6.0
+            framework: net8.0
             runtime: -x64
             codecov: false
           - os: macos-latest
-            framework: net6.0
+            framework: net8.0
             runtime: -x64
             codecov: false
           - os: windows-latest
-            framework: net6.0
+            framework: net8.0
             runtime: -x64
             codecov: true
 

msbuild/props/SixLabors.Global.props

@@ -62,7 +62,7 @@
 
   <!-- Compilation settings that explicitly differ from the Sdk.props/targets defaults  -->
   <PropertyGroup>
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>12.0</LangVersion>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Features>strict;IOperation</Features>
     <HighEntropyVA>true</HighEntropyVA>

tests/SharedInfrastructure.Tests/SharedInfrastructure.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;</TargetFrameworks>
+    <TargetFrameworks>net8.0;</TargetFrameworks>
     <AssemblyName>SharedInfrastructure.Tests</AssemblyName>
     <RootNamespace>SharedInfrastructure.Tests</RootNamespace>
     <Nullable>enable</Nullable>