chore: Update PR template with checkbox for core dataset contribution #2490

Job	Run time
check-docs	1m 53s
lint / lint	3m 38s
unit-tests (ubuntu-latest, 3.10) / unit-tests	6m 9s
unit-tests (ubuntu-latest, 3.11) / unit-tests	7m 32s
unit-tests (ubuntu-latest, 3.12) / unit-tests	8m 48s
unit-tests (windows-latest, 3.10) / unit-tests	9m 22s
unit-tests (windows-latest, 3.11) / unit-tests	12m 55s
unit-tests (windows-latest, 3.12) / unit-tests	11m 29s
	1h 1m 46s

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