Bump Chromium package to .NET 8

Agent-Logs-Url: https://github.com/devlooped/chromium/sessions/418141b1-efc7-4dbf-9653-4e592091a292

Co-authored-by: kzu <169707+kzu@users.noreply.github.com>

Author: Copilot

.github/dotnet.json

@@ -1,4 +1,3 @@
 [
-  "6.x",
   "8.x"
 ]

readme.md

@@ -6,7 +6,7 @@
 [![License](https://img.shields.io/github/license/devlooped/chromium.svg?color=blue)](https://github.com/devlooped/chromium/blob/main/license.txt) 
 [![Build](https://github.com/devlooped/chromium/actions/workflows/build.yml/badge.svg?branch=main)](https://github.com/devlooped/chromium/actions)
 
-Chromium for .NET 6+.
+Chromium for .NET 8+.
 
 This project allows running a portable embedded version of Chromium from 
 either a .NET CLI tool or a regular .NET application without having to install 

src/chromium/Chromium.cs

@@ -53,7 +53,7 @@ from lib in target.Libraries
                               from native in lib.RuntimeTargets
                               where native.Runtime == runtime.Runtime &&
                                     System.IO.Path.GetFileName(native.Path) == chromeFile &&
-                                    !string.IsNullOrEmpty(lib.Name) && 
+                                    !string.IsNullOrEmpty(lib.Name) &&
                                     lib.Version != null
                               let file = new FileInfo(System.IO.Path.Combine(rootDir, lib.Name!, lib.Version!.ToString(), native.Path))
                               where file.Exists
@@ -62,4 +62,4 @@ where file.Exists
             Path = nativeFiles.FirstOrDefault();
         }
     }
-}
+}

src/chromium/chromium.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <PackageId>chromium</PackageId>
     <Description>Provides a dynamic locator of the referenced chromium native runtime via the Chromium.Path property.</Description>
   </PropertyGroup>