chore(deps): update dependency communitytoolkit.maui.core to v9.0.3

Author: renovate[bot]

installer/installer.csproj

@@ -96,7 +96,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="CommunityToolkit.Maui" Version="7.0.1" />
-		<PackageReference Include="CommunityToolkit.Maui.Core" Version="9.0.0" />
+		<PackageReference Include="CommunityToolkit.Maui.Core" Version="9.0.3" />
 		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
 		<PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.38" />