- pyinstaller 6.0 changed the file layout of macos binaries https://pyinstaller.org/en/stable/CHANGES.html#id81 https://github.com/pyinstaller/pyinstaller/pull/7619 - this adapts the extract_sigs script to the new layout
- added notes about reproducibility requirements - adapted build scripts from Bitcoin Core that can - extract signatures from a signed .app - apply previously extracted signatures to an unsigned .app