Update to .NET 9

Author: enisn

src/InputKit.Maui/InputKit.Maui.csproj

@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net8.0;net8.0-android;net8.0-ios;net8.0-maccatalyst;net8.0-windows10.0.19041</TargetFrameworks>
+    <TargetFrameworks>net9.0;net9.0-android;net9.0-ios;net9.0-maccatalyst;net9.0-windows10.0.19041</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <RootNamespace>InputKit</RootNamespace>
     <UseMaui>true</UseMaui>
     <SingleProject>true</SingleProject>
     <PackageId>InputKit.Maui</PackageId>
-    <Version>4.4.6</Version>
+    <Version>4.5.0</Version>
     <DefineConstants Condition="$(TargetFramework.Contains('-windows'))">$(DefineConstants);UWP</DefineConstants>
 
     <!-- NuGet Package Info -->