[ECO-5582] Update to netstandard2.0

.gitattributes

@@ -0,0 +1,4 @@
+# Ensure test data files are treated as binary to prevent line ending conversions
+IO.Ably.DeltaCodec.Test/TestData/xdelta/**/dictionary binary
+IO.Ably.DeltaCodec.Test/TestData/xdelta/**/delta binary
+IO.Ably.DeltaCodec.Test/TestData/xdelta/**/target binary

.github/workflows/check.yml

@@ -0,0 +1,29 @@
+name: Check
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: 6.0.x
+
+      - name: Restore dependencies
+        run: dotnet restore
+
+      - name: Build
+        run: dotnet build --configuration Release --no-restore
+
+      - name: Test
+        run: dotnet test --configuration Release --no-build --verbosity normal

IO.Ably.DeltaCodec.SampleApp/IO.Ably.DeltaCodec.SampleApp.csproj

@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>netcoreapp2.2</TargetFramework>
+        <TargetFramework>net6.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>

IO.Ably.DeltaCodec.Test/IO.Ably.DeltaCodec.Test.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net46;netcoreapp2.0</TargetFrameworks>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
     <None Include="TestData\xdelta\1\delta">
@@ -51,4 +51,4 @@
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.13.0" />
   </ItemGroup>
-</Project>
+</Project>