Bump jupyterhub/repo2docker from 2023.06.0-41.g57d229e to 2024.03.0 #171

Job	Run time
build	20s
test	7m 8s
lint	8s
Build container (., manics/repo2kaniko)	1m 24s
Pypi	24s
Build container (./kaniko-runner, manics/kaniko-runner)	1m 25s
	10m 49s

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