feat: add certified event feature categories

[eisber]

added certified event feature categories as discussed.

[github-actions]

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[eisber]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov-commenter]

Codecov Report

Merging #2109 (46c5377) into master (2f31f74) will decrease coverage by 0.27%.
The diff coverage is 99.52%.

@@            Coverage Diff             @@
##           master    #2109      +/-   ##
==========================================
- Coverage   86.40%   86.14%   -0.27%     
==========================================
  Files         311      312       +1     
  Lines       16267    16292      +25     
  Branches      818      832      +14     
==========================================
- Hits        14056    14035      -21     
- Misses       2211     2257      +46     

Files	Coverage Δ
...ynapse/ml/cognitive/anomaly/AnomalyDetection.scala	81.19% <100.00%> (ø)
...gnitive/anomaly/MultivariateAnomalyDetection.scala	90.71% <100.00%> (+0.61%)	⬆️
...re/synapse/ml/cognitive/bing/BingImageSearch.scala	89.28% <100.00%> (ø)
...crosoft/azure/synapse/ml/cognitive/face/Face.scala	81.37% <100.00%> (ø)
...ynapse/ml/cognitive/form/FormOntologyLearner.scala	90.19% <100.00%> (ø)
...ure/synapse/ml/cognitive/form/FormRecognizer.scala	84.04% <100.00%> (ø)
...e/synapse/ml/cognitive/form/FormRecognizerV3.scala	88.00% <100.00%> (ø)
...re/synapse/ml/cognitive/language/AnalyzeText.scala	95.17% <100.00%> (ø)
...pse/ml/cognitive/openai/OpenAIChatCompletion.scala	95.23% <100.00%> (ø)
...synapse/ml/cognitive/openai/OpenAICompletion.scala	93.75% <100.00%> (ø)
... and 100 more

... and 6 files with indirect coverage changes

[eisber]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[eisber]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).