feat: add gooddata-pipelines package #771

Job	Run time
Collect changes / collect-changes	7s
Python tests / lint-and-format-check	38s
Python tests / unit-tests (py312)	8m 48s
Python tests / unit-tests (py310)	4m 3s
Python tests / unit-tests (py313)	4m 55s
Python tests / unit-tests (py311)	4m 10s
Python tests / types-check	1m 17s
Python tests / unit-tests (py39)	4m 50s
status-check	3s
	28m 51s

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