Update CI node version to 21 #3218

Job	Run time
Unit Test	45s
Lint	40s
e2e-linux (21.x, chromium, production)	2m 19s
Multiple Containers - Chrome	2m 36s
e2e-linux (21.x, firefox, production)	2m 1s
Check Types	35s
e2e-draggable-only (21.x, chromium, development)	55s
One Container Vertically - Chrome	2m 20s
e2e-mac (21.x, chromium, production)	4m 2s
e2e-persisted-store (21.x, chromium, development)	1m 23s
e2e-windows (21.x, chromium, production)	3m 55s
e2e-windows (21.x, firefox, production)	4m 26s
e2e-mac (21.x, chromium, development)	3m 41s
e2e-mac (21.x, firefox, production)	5m 42s
e2e-mac (21.x, firefox, development)	5m 54s
e2e-mac (21.x, webkit, production)	2m 53s
e2e-mac (21.x, webkit, development)	2m 25s
Publish to NPM	0s
	46m 32s

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