wip: Add alchemy-action

[tvdeyen]

Allows to call functions that are registered as action from a turbo_stream response.

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• I have followed Pull Request guidelines
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• I have added tests to cover this change

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.94%. Comparing base (7c1505e) to head (b5feb52).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2883   +/-   ##
=======================================
  Coverage   95.94%   95.94%           
=======================================
  Files         230      230           
  Lines        6260     6260           
=======================================
  Hits         6006     6006           
  Misses        254      254           

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[sascha-karnatz]

I close this PR, because #2891 was merged.