v0.4.4

Important notes:

• if you have Notepad Next v0.4.0 or older installed, you should manually uninstall it first.

Changelog:

• Adjust text selection color
• Add shortcut for Join Lines
• Initial Qt6 Support
• Fix LanguageInspector issue not updating on lexer change
• Tweak Python language properties
• Detect language on new file save
• Update Scintilla to v5.1.5
• Code refactoring

Full Changelog: v0.4.3...v0.4.4