chore(deps): update dependency ember-data to ^3.28.4

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-data	`^3.28.3` -> `^3.28.4`

Release Notes

emberjs/data

### [`v3.28.4`](https://togithub.com/emberjs/data/compare/v3.28.3...v3.28.4) [Compare Source](https://togithub.com/emberjs/data/compare/v3.28.3...v3.28.4)

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alexdiliberto / ember-transformicons

chore(deps): update dependency ember-data to ^3.28.4 #1082

Release Notes

Configuration