perf: rewrite data access in gooddata-pandas #513

Job	Run time
Collect changes / collect-changes	6s
Python tests / lint-and-format-check	34s
Python tests / unit-tests (py313)	2m 46s
Python tests / types-check	1m 8s
Python tests / unit-tests (py312)	6m 6s
Python tests / unit-tests (py311)	2m 9s
Python tests / unit-tests (py310)	2m 5s
Python tests / unit-tests (py39)	2m 33s
status-check	1s
	17m 28s

Provide feedback