v3.67

• move homebrew formula to d99kris/homebrew-nchat@5e9a18d
• merged #119 - add macos homebrew support
• archive last log and add logging of missed cache stores on exit
• update whatsmeow to 20230831 from tulir/whatsmeow@69534bf
• fixes #109 - document build options controlling protocol support
• update tdlib to 1.8.14 from tdlib/td@8517026
• add scripts to automate updating of tdlib and whatsmeow
• default to release build without debug info for git clones
• remove nspell-gpt as default spell checker