Add extension to Dualization

[blegat]

Needed due to jump-dev/Dualization.jl#208

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.38%. Comparing base (3fd2cc4) to head (bc76fe3).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #72   +/-   ##
=======================================
  Coverage   99.37%   99.38%           
=======================================
  Files          26       27    +1     
  Lines        1290     1293    +3     
=======================================
+ Hits         1282     1285    +3     
  Misses          8        8           

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