nnn v4.9 Elixir release notes.

• [x] config option NNN_ARCHMNT to specify archive mounter utility
• [x] key ^y to jump to next young file
• [x] filter adjustment when opening context from plugin
• [x] properly update mode after chmod
• [x] pre-fill selected file name to create link if sel is preferred over hovered
• [x] fix crash when PWD is empty
• [x] make quitcd.bash_zsh POSIX-compliant
• [x] nmount - support udiskctl as default
• [x] preview-tui - support wezterm split size percentage
• [x] preview-tui - move to bash for environment manipulation through arrays
• [x] fzopen - handle empty selection
• [x] finder - use default path to find
• [x] add icons for djvu files
• [x] support Nerd Fonts v3.0.0 and above (older versions are broken by v3.0.0)