Fixes
Fix electron builder and patch electron to v9.3.1
This release is only intended to create desktop app
SHA256 Checksums
SHA256(Safe-Multisig-2.12.3.AppImage) = 9a8e146f18510e408b51068e29af33db3d0c84193fdd64a05bb796a7981f415e
SHA256(Safe-Multisig-2.12.3.dmg) = 53a0c29b372eb41af7f91c7a306d7ebb4f2139e9f799fb8f00e7ef044dc08e03
SHA256(Safe-Multisig-Setup-2.12.3.exe) = 112fb6e13bf316da3f4e72518b8f7154b75c271a3e2edf388487953dbc8a8386