bumped protocol version to 1.2.0

[mpsc0x]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.75%. Comparing base (3233447) to head (70d5985).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #74      +/-   ##
==========================================
- Coverage   97.58%   96.75%   -0.83%     
==========================================
  Files          38       16      -22     
  Lines         786      524     -262     
==========================================
- Hits          767      507     -260     
+ Misses         19       17       -2     

Flag	Coverage Δ
move	96.75% <ø> (-0.83%)	⬇️

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