Performance improvements

[Unknown6656]

Use the features of .NET 8 for improving the performance of the AutoIt interpreter: https://devblogs.microsoft.com/dotnet/performance-improvements-in-net-8/

• collection expressions (07ae0ab, 19cc97f, afc0067, ca07971, 9a8f55e)
• AOT compilation
• Span<T>/ReadOnlySpan<T>
• UTF8 improvements
• Formatting improvements
• Regex Generators (79dd353)
• string OrdinalIgnoreCase comparison improvements (5fb63d8, 46ff6bf)
• ...