Bump conda-incubator/setup-miniconda from 2 to 3 #16

Job	Run time
nipype-conv	32s
devcheck (3.8, pydra)	36s
test (3.8)	19m 13s
devcheck (3.8, --editable git+https://github.com/nipype/pydra.git#egg=pydra)	44s
test (3.11)	19m 24s
devcheck (3.8, --editable, pydra)	40s
devcheck (3.8, --editable, --editable git+https://github.com/nipype/pydra.git#egg=pydra)	43s
devcheck (3.11, pydra)	37s
devcheck (3.11, --editable git+https://github.com/nipype/pydra.git#egg=pydra)	43s
devcheck (3.11, --editable, pydra)	42s
devcheck (3.11, --editable, --editable git+https://github.com/nipype/pydra.git#egg=pydra)	44s
deploy-fileformats	30s
deploy-fileformats-extras	38s
deploy	1m 33s
	47m 19s

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