Bump actions/upload-artifact from 4.3.0 to 4.3.1 (#184) #21

Job	Run time
binary (humble, main) / humble main	2m 10s
binary (humble, testing) / humble testing	2m 4s
binary (iron, main) / iron main	2m 3s
binary (iron, testing) / iron testing	1m 55s
binary (rolling, main) / rolling main	2m 7s
binary (rolling, testing) / rolling testing	2m 39s
	12m 58s

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