feat(gooddata-pipelines): prevent modification of current user during user provisioning #1005

Job	Run time
Collect changes / collect-changes	9s
Python tests / lint-and-format-check	46s
Python tests / types-check	1m 32s
Python tests / unit-tests (py313)	3m 45s
Python tests / unit-tests (py312)	7m 46s
Python tests / unit-tests (py310)	3m 8s
Python tests / unit-tests (py311)	3m 13s
Python tests / unit-tests (py39)	3m 9s
status-check	2s
	23m 30s

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