Mainnet Stable Release 3.4.0

🚨 Note - some users have experienced incompatibility issues with older CPUs that do not support newer instruction sets; we are currently investigating 🚨 The o1Labs team is proud to announce that 3.4.0 is ready for use on Mainnet! 3.4.0 is planned to be the last standard Berkeley release before we approach the Mesa era! This release includes a large roll up of fixes and improvements to the Mina…