Move CHANGELONG #555

Job	Run time
Build and run integration tests (18.x)	2m 37s
Build and run integration tests (19.x)	2m 37s
Lint (18.x)	31s
JS Tests (16.x)	2m 42s
Lint (19.x)	39s
Build and run integration tests (20.x)	2m 27s
JS Tests (18.x)	2m 33s
Lint (20.x)	29s
Build and run integration tests (21.x)	2m 25s
JS Tests (19.x)	2m 45s
Lint (21.x)	27s
JS Tests (20.x)	2m 29s
JS Tests (21.x)	2m 30s
Publish to NPM	36s
	25m 47s

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