chore(main): release 6.84.0 #10192

Job	Run time
units (11)	3m 31s
units (8)	3m 31s
units (17)	3m 33s
units (21)	3m 25s
units-with-multiplexed-session (11)	3m 58s
units-with-multiplexed-session (17)	3m 43s
units-with-multiplexed-session (8)	4m 16s
windows	14m 40s
units-with-multiplexed-session (21)	3m 42s
clirr	1m 12s
dependencies (17)	1m 24s
javadoc	2m 37s
lint	1m 16s
	50m 48s

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