refactor(eval): move all agentic evaluation logic into gooddata_eval SDK #1924

Job	Run time
Collect changes / collect-changes	9s
Python tests / docs-scripts-tests	15s
Python tests / types-check	14s
Python tests / unit-tests (py312)	2m 48s
Python tests / unit-tests (py310)	3m 46s
Python tests / unit-tests (py311)	3m 36s
Python tests / unit-tests (py314)	2m 46s
Python tests / unit-tests (py313)	2m 46s
Python tests / lint-and-format-check	11s
status-check	4s
	16m 35s

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