Upgrade EVMC to 12.1.0 with 7702 support

[chfast]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.29%. Comparing base (45cbad6) to head (b120452).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1125   +/-   ##
=======================================
  Coverage   94.29%   94.29%           
=======================================
  Files         159      159           
  Lines       17344    17344           
=======================================
  Hits        16355    16355           
  Misses        989      989           

Flag	Coverage Δ
eof_execution_spec_tests	15.91% <ø> (ø)
ethereum_tests	26.90% <ø> (ø)
ethereum_tests_silkpre	18.96% <ø> (ø)
execution_spec_tests	21.80% <ø> (ø)
unittests	89.05% <ø> (ø)

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