Add 1.2 as the protected branch

[git-hulk]

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 47.11%. Comparing base (6c56470) to head (00541ee).
⚠️ Report is 99 commits behind head on unstable.

Additional details and impacted files

@@             Coverage Diff              @@
##           unstable     #363      +/-   ##
============================================
+ Coverage     43.38%   47.11%   +3.72%     
============================================
  Files            37       45       +8     
  Lines          2971     4453    +1482     
============================================
+ Hits           1289     2098     +809     
- Misses         1544     2147     +603     
- Partials        138      208      +70     

Flag	Coverage Δ
unittests	47.11% <ø> (+3.72%)	⬆️

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