Post 6.8 branching adjustments (in branch). #22389

Job	Run time
Determine Matrix	2s
Single Site Default / Test before	14m 8s
Single Site Default / Test current	13m 38s
Multisite Default / Test before	13m 37s
Multisite Default / Test current	13m 52s
Single Site Memcached / Test before	14m 58s
Single Site Memcached / Test current	13m 34s
Multisite Memcached / Test before	13m 47s
Multisite Memcached / Test current	14m 46s
Slack Notifications	0s
Compare / Multisite Default	22s
Compare / Single Site Default	12s
Failed workflow tasks	0s
Compare / Multisite Memcached	22s
Compare / Single Site Memcached	18s
	1h 53m 36s

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