Bump ember-data from 5.2.0 to 5.3.0 #1815

Job	Run time
Basic tests (macos-latest)	2m 38s
Basic tests (ubuntu-latest)	1m 37s
Basic tests (windows-latest)	7m 20s
Lint	1m 5s
End-to-end tests (macos-latest/npm)	5m 32s
End-to-end tests (macos-latest/yarn)	5m 12s
End-to-end tests (ubuntu-latest/npm)	3m 47s
End-to-end tests (ubuntu-latest/yarn)	3m 36s
End-to-end tests (windows-latest/npm)	17m 28s
End-to-end tests (windows-latest/yarn)	12m 49s
automerge	4s
	1h 1m 8s

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