Unit testing: randomize test execution order #1952

Job	Run time
lint	2m 59s
create-source-distribution	1m 18s
create-windows-binary-distribution (3.7)	3m 52s
create-windows-binary-distribution (3.8)	5m 36s
create-windows-binary-distribution (3.9)	5m 26s
create-windows-binary-distribution (3.10)	8m 59s
create-windows-binary-distribution (3.11)	9m 7s
create-windows-binary-distribution (3.12)	8m 45s
test-linux-source-distribution (ubuntu:20.04)	12m 28s
test-linux-source-distribution (ubuntu:22.04)	12m 15s
test-linux-source-distribution (ubuntu:23.04)	12m 8s
test-linux-source-distribution (ubuntu:23.10)	11m 34s
test-linux-source-distribution (fedora:37)	12m 17s
test-linux-source-distribution (fedora:38)	12m 31s
test-windows-binary-distribution (3.7)	14m 21s
test-windows-binary-distribution (3.8)	16m 17s
test-windows-binary-distribution (3.9)	15m 30s
test-windows-binary-distribution (3.10)	15m 12s
test-windows-binary-distribution (3.11)	15m 20s
test-windows-binary-distribution (3.12)	14m 39s
deploy	23s
	3h 30m 57s

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