Lava v4.2.1 🌋

Changelog

New Features

• 098c7a7: feat: PRT - Websocket limited per ip (#1738) (@ranlavanet)
• 6a7cf7b: feat: remove spec requirement to contain all apis (#1825) (@omerlavanet)

Other work

• 34d7c4e: Fix offline spec bug (#1823) (@shleikes)
• 6563245: Set protocol version to 4.2.1 (@shleikes)
• 18c395b: add one year to all periodic accounts that have not started yet ( <>)
• ce4332c: remove unused simulation files and migrators (#1786) (@oren-lava)