Release v3.31.0-beta.1 (#2161)

Improvements for all users:

• We upgraded our Electron dependency to v12.2.1 which includes lots of CVE
  patches, a patch for a certificate issue following the end of the
  Let's Encrypt first root certificate validity and patches around certificates
  validation which we hope should resolve the missing network problem some users
  are experiencing.
• We updated some of our status messages with the hope they will be easier to
  understand.

See also known issues.

Happy syncing!