upgrade nodejs to version 18 #86

Job	Run time
Build browser-test-tools	3m 4s
Build documenter	2m 22s
Build collection-hooks	48s
Build global-styles	22s
Build jest-preset	17s
Build test-utils	1m 25s
Build component-toolkit	1m 0s
Build theming-core	57s
Build components	5m 57s
Components accessibility tests	34m 47s
Components unit tests	8m 5s
Build board components	4m 58s
Components integration tests	15m 26s
Demos tests	13m 5s
	1h 32m 33s

Provide feedback