Bump actions/upload-artifact from 3 to 4 #329

Job	Run time
Build and verify	22s
rust-lint	25s
Integration Test (Java 7, GC: parallel)	17s
Integration Test (Java 7, GC: g1)	17s
Integration Test (Java 8, GC: parallel)	18s
Integration Test (Java 8, GC: g1)	18s
Integration Test (Java 11, GC: parallel)	20s
Integration Test (Java 11, GC: g1)	19s
Integration Test (Java 13, GC: parallel)	21s
Integration Test (Java 13, GC: g1)	21s
Integration Test (Java 14, GC: parallel)	20s
Integration Test (Java 14, GC: g1)	23s
Integration Test (Java 15, GC: parallel)	23s
Integration Test (Java 15, GC: g1)	23s
Integration Test (Java 16, GC: parallel)	24s
Integration Test (Java 16, GC: g1)	22s
Integration Test (Java 17, GC: parallel)	21s
Integration Test (Java 17, GC: g1)	24s
Integration Test (Java 18, GC: parallel)	20s
Integration Test (Java 18, GC: g1)	21s
Integration Test (Java 19, GC: parallel)	22s
Integration Test (Java 19, GC: g1)	21s
Integration Test (Java 20, GC: parallel)	20s
Integration Test (Java 20, GC: g1)	21s
Integration Test (Java 21, GC: parallel)	19s
Integration Test (Java 21, GC: g1)	20s
Integration Test (Java 7, GC: cms)	20s
Integration Test (Java 8, GC: cms)	20s
Integration Test (Java 11, GC: cms)	19s
Integration Test (Java 13, GC: cms)	23s
	10m 24s

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