support duration update for running jobs #7749

Job	Run time
Generate build matrix	11s
Generate build matrix	11s
python linting	49s
python linting	49s
spelling	8s
spelling	8s
validate commits	16s
validate commits	16s
bookworm	30m 9s
bookworm	30m 9s
bookworm - 32 bit	28m 7s
bookworm - 32 bit	28m 7s
bookworm - gcc-12,content-s3,distcheck	14m 26s
bookworm - gcc-12,content-s3,distcheck	14m 26s
bookworm - py3.11,clang-15	27m 6s
bookworm - py3.11,clang-15	27m 6s
coverage	23m 39s
coverage	23m 39s
jammy - test-install	21m 48s
jammy - test-install	21m 48s
bookworm - test-install	18m 41s
bookworm - test-install	18m 41s
focal - py3.8	31m 50s
focal - py3.8	31m 50s
el8	28m 12s
el8	28m 12s
el8 - ascii	25m 14s
el8 - ascii	25m 14s
el8 - system,coverage	10m 0s
el8 - system,coverage	10m 0s
fedora34 - gcc-11.2,py3.9	26m 40s
fedora34 - gcc-11.2,py3.9	26m 40s
fedora38 - gcc-13.1,py3.11	1h 30m 15s
fedora38 - gcc-13.1,py3.11	22m 0s
inception	25m 37s
inception	25m 37s
flux-sched check	7m 53s
flux-sched check	7m 53s
flux-pam check	5m 42s
flux-pam check	5m 42s
flux-accounting check	5m 18s
flux-accounting check	5m 18s
flux-pmix check	22m 33s
flux-pmix check	22m 33s
Generate docker manifest	0s
Generate docker manifest	1s
	13h 40m 54s

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