Implement SIP-029

[friedger]

Is your feature request related to a problem? Please describe.
The currrent Stacks token emission schedule creates uncertainty during two major protocol developments: the launch of sBTC and the continued operation of Nakamoto signers.

See stacksgov/sips#196

Describe the solution you'd like
Implement new emission schedule as specified in SIP-029

Additional context
Community voting period will complete on ~1st Dec
Current halving will happen at tenure height 210,38 during cycle 100

[aldur]

As per discussion in the daily sync, assigned this to @jcnelson for a time-boxed implementation experiment.