Fix embeddings api_key

[svilupp]

Updated

• Moved up compat for PromptingTools to v0.87 (fixing api key bug for embedding models)

Fixed

• Fixed mock embedding response in the tests

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.79%. Comparing base (c833b14) to head (cf3e39d).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #31   +/-   ##
=======================================
  Coverage   89.79%   89.79%           
=======================================
  Files          15       15           
  Lines        1793     1793           
=======================================
  Hits         1610     1610           
  Misses        183      183           

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