feat: Accessible resize handles with keyboard activation #4876

Job	Run time
dry-run / Build collection-hooks	1m 12s
dry-run / Build global-styles	36s
dry-run / Build jest-preset	28s
dry-run / Build browser-test-tools	2m 35s
dry-run / Build documenter	2m 28s
dry-run / Build test-utils	1m 23s
dry-run / Build component-toolkit	1m 9s
dry-run / Build theming-core	1m 8s
dry-run / Build components	4m 43s
dry-run / Components integration tests	16m 55s
dry-run / Build board components	3m 51s
dry-run / Components unit tests	9m 26s
dry-run / Components accessibility tests shard (1)	1m 23s
dry-run / Components accessibility tests shard (2)	13m 19s
dry-run / Components accessibility tests shard (3)	12m 18s
dry-run / Components accessibility tests shard (4)	55s
dry-run / Components accessibility tests shard (5)	10m 25s
dry-run / Components accessibility tests shard (6)	12m 4s
dry-run / Demos tests	12m 9s
dry-run / Components accessibility tests	1s
	1h 48m 28s

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