ci(deps): bump actions/upload-artifact from 5 to 6 (#1035) #2641

Job	Run time
validation / GitHub context	3s
validation / Dependency info	4s
validation / Configuration files	8s
validation / Build coatjava	7s
validation / Event generation	1s
validation / Run	1s
validation / Report efficiency	1s
validation / Report multiplicity	1s
	26s

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