Mainnet validators

Please take part in the voting for network config adjustment.
Details of updates are given above.

1. Check that your validator software is on the latest version: commit 591b34d.

If you use mytonctrl, please vote for proposal via

vo 84123553170509389098874880050862184605633619991871324449516531408050268055269 42941749423356085253181262402693749199117510848841139894863341148398531565866 65009153936108305610337904793535370282692919307756841131143481982045644609157