[DOP-25649] Create operations for Airflow tasks

[dolfinus]

Change Summary

If consumer receives Airflow Task event, it creates both Run and Operation, with same id and created_at. Previously it created only Run, and thus lineage extracted from Airflow operators was completely ignored.

Added special handling for some Airflow Task facet fields:

• task_id is used as operation.name
• operator_class is used as operation.description
• map_index is used as operation.position

As test cases become more complex, I've splitted tests/test_consumer/test_extractors/test_extractors_run.py to test_extractors_run_airflow.py, test_extractors_run_spark.py and test_extractors_run_unknown.py. That's why PR is large.

Related issue number

Checklist

• Commit message and PR title is comprehensive
• Keep the change as small as possible
• Unit and integration tests for the changes exist
• Tests pass on CI and coverage does not decrease
• Documentation reflects the changes where applicable
• docs/changelog/next_release/<pull request or issue id>.<change type>.rst file added describing change
  (see CONTRIBUTING.rst for details.)
• My PR is ready to review.

[codecov]

Codecov Report

❌ Patch coverage is 97.61905% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 91.94%. Comparing base (91d401e) to head (a960d1d).
⚠️ Report is 124 commits behind head on develop.

Files with missing lines	Patch %	Lines
data_rentgen/consumer/extractors/operation.py	96.77%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #210      +/-   ##
===========================================
+ Coverage    91.93%   91.94%   +0.01%     
===========================================
  Files          205      205              
  Lines         5095     5118      +23     
  Branches       365      370       +5     
===========================================
+ Hits          4684     4706      +22     
  Misses         333      333              
- Partials        78       79       +1     

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