Pre-BinDiff 9 FLARE

GitHub workflows: Build universal binaries on macOS

Signed-off-by: Christian Blichmann <cblichmann@google.com>

Binary Ninja exporter MVP

Work in progress, this works:

• Logging
• Build address spaces and compute SHA256 of orignal file
• Gather entrypoints similar to IDA version of BinExport
• Write basic BinExport v2 proto with call and flow graphs nodes