Apply certificate SPKI blocklist (see electron/electron#55126)

Dependencies

• Updated Electron to 44.9.3

Asset Checksums (SHA256)

tutanota-desktop-linux.AppImage:
4a5bde8bc3f76c1f9b0dcd2acc2e46e3af2ab4540694357b5a1a05562f39649f

tutanota-desktop-win.exe:
a3347c825aeec2fa15899aee1350f8677a50d69d8180657d5ed3835ddc811ade

tutanota-desktop-mac.dmg:
2528faab941eb95aa7670547742b3de4904bcd3496031dca8b2df9d30a9e8cd2