chore(main): release 6.86.0 #10597

Job	Run time
units (11)	2m 57s
units (17)	3m 6s
units (21)	2m 36s
units (8)	2m 58s
units-with-multiplexed-session (11)	3m 18s
units-with-multiplexed-session (17)	3m 3s
units-with-multiplexed-session (8)	3m 20s
units-with-multiplexed-session (21)	3m 8s
windows	19m 6s
clirr	1m 24s
dependencies (17)	1m 14s
javadoc	2m 36s
lint	1m 14s
	50m 0s

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