Keyper V1.4

[ylembachar]

Features:

• Event-based decryption triggers in: https://github.com/shutter-network/rolling-shutter/issues/631
• Allow keys message with no signature and remove current decryption trigger validation in https://github.com/shutter-network/rolling-shutter/issues/620
• Add compatibility for previous eons in https://github.com/shutter-network/rolling-shutter/pull/624
• https://github.com/shutter-network/rolling-shutter/issues/637

todo:

• [x] add specs for event-based to rolling shutter specs
• [x] empty migration to check here
• [ ] create respective tag and release notes under rolling-shutter
• [ ] add Docker and DAppNode packages

Additional notes: This release is only relevant for the Shutter API Keyper implementation

[ylembachar]

Note to move the schema updates to the migration folder to allow keypers on v1.3.13 to update to v1.4 Issue: https://github.com/shutter-network/rolling-shutter/issues/645

[ylembachar]

• test that keys can be decrypted after a DKG (before the release)