More fixes

Author: gigi81

src/System.IO.Abstractions.Extensions/IFileInfoAsyncExtensions.cs

@@ -1,4 +1,4 @@
-#if NETSTANDARD2_1_OR_GREATER || NET6_0_OR_GREATER
+#if NETSTANDARD2_1_OR_GREATER || NET8_0_OR_GREATER
 #nullable enable
 
 using System.Collections.Generic;
@@ -85,12 +85,12 @@ public static async IAsyncEnumerable<string> EnumerateLinesAsync(this IFileInfo
                 ? new StreamReader(stream)
                 : new StreamReader(stream, encoding);
 
-            var line = await reader.ReadLineAsync();
+            var line = await reader.ReadLineAsync(cancellationToken);
             while (line != null)
             {
                 yield return line;
                 cancellationToken.ThrowIfCancellationRequested();                
-                line = await reader.ReadLineAsync();
+                line = await reader.ReadLineAsync(cancellationToken);
             }
         }
     }

src/System.IO.Abstractions.Extensions/System.IO.Abstractions.Extensions.csproj

@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<PackageId>TestableIO.System.IO.Abstractions.Extensions</PackageId>
-		<TargetFrameworks>net8.0;netstandard2.1;netstandard2.0;net462</TargetFrameworks>
+		<TargetFrameworks>net8.0;netstandard2.1;netstandard2.0;net472</TargetFrameworks>
 		<Description>Convenience functionalities on top of System.IO.Abstractions</Description>
 		<RootNamespace>System.IO.Abstractions</RootNamespace>
 		<PackageReleaseNotes>$([System.IO.File]::ReadAllText("$(MSBuildProjectDirectory)/../../ReleaseNotes.md"))</PackageReleaseNotes>