Run core util tests in parallel #26953

Job	Run time
Build amd64	14m 48s
Build arm64	17m 40s
Publish amd64	39s
Publish arm64	2m 47s
Test debian:bullseye GUI ARM64	1m 34s
Test debian:bullseye GUI Intel	1m 1s
Test debian:bullseye CLI ARM64	3m 3s
Test debian:bullseye CLI Intel	43s
Test debian:bookworm GUI ARM64	1m 25s
Test debian:bookworm GUI Intel	52s
Test debian:bookworm CLI ARM64	1m 10s
Test debian:bookworm CLI Intel	20s
Test ubuntu:focal (20.04) GUI ARM64	5m 42s
Test ubuntu:focal (20.04) GUI Intel	2m 43s
Test ubuntu:focal (20.04) CLI ARM64	1m 29s
Test ubuntu:focal (20.04) CLI Intel	37s
Test ubuntu:jammy (22.04) GUI ARM64	1m 47s
Test ubuntu:jammy (22.04) GUI Intel	57s
Test ubuntu:jammy (22.04) CLI ARM64	1m 7s
Test ubuntu:jammy (22.04) CLI Intel	25s
	1h 0m 49s

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