testsuite: add running job update tests #2361

Job	Run time
Generate build matrix	10s
python linting	47s
spelling	7s
validate commits	0s
bookworm	29m 5s
bookworm - 32 bit	24m 21s
bookworm - gcc-12,content-s3,distcheck	34m 15s
bookworm - py3.11,clang-15	29m 58s
coverage	35m 55s
jammy - test-install	20m 56s
bookworm - test-install	16m 49s
focal - py3.8	29m 48s
el8	27m 59s
el8 - ascii	36m 27s
el8 - system,coverage	8m 45s
fedora34 - gcc-11.2,py3.9	30m 57s
fedora38 - gcc-13.1,py3.11	27m 27s
inception	30m 53s
flux-pam check	5m 37s
flux-accounting check	6m 53s
flux-sched check	7m 59s
flux-pmix check	16m 4s
Generate docker manifest	1s
	7h 1m 13s

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