Add number prefix to data files for chronological files sorting #272

Job	Run time
black	9s
flake8	9s
pytest-fast (reporting)	13s
pytest-fast (negotiation)	12s
pytest-fast (negotiation_quick)	13s
pytest-fast (below_threshold)	13s
pytest-fast (below_threshold_multilot)	12s
pytest-fast (above_threshold_eu)	19s
pytest-fast (above_threshold_eu_multilot)	1s
pytest-fast (above_threshold_eu_plan)	1s
pytest-fast (above_threshold_eu_tender)	1s
pytest-fast (above_threshold_ua)	1s
pytest-fast (above_threshold_ua_multilot)	1s
pytest-fast (above_threshold_ua_features)	1s
pytest-fast (above_threshold_ua_multilot_features)	1s
pytest-fast (above_threshold_ua_lcc)	1s
pytest-fast (above_threshold_ua_multilot_lcc)	1s
pytest-fast (close_framework_agreement_ua)	1s
pytest-fast (close_framework_agreement_ua_central)	1s
pytest-fast (competitive_dialogue_eu)	1s
pytest-fast (competitive_dialogue_ua)	1s
pytest-fast (esco)	1s
pytest-fast (esco_features)	1s
pytest-fast (esco_multilot)	1s
pytest-fast (simple_defense)	1s
	1m 57s

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