chore(main): release 6.84.0 #10162

Job	Run time
clirr	1m 25s
dependencies (17)	1m 22s
javadoc	2m 38s
lint	1m 16s
units (8)	3m 44s
units (11)	3m 23s
units (17)	3m 18s
units-with-multiplexed-session (11)	3m 58s
units (21)	3m 15s
units-with-multiplexed-session (17)	4m 5s
units-with-multiplexed-session (21)	3m 46s
units-with-multiplexed-session (8)	16m 12s
windows	7m 14s
	55m 36s

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