chore(deps): update dependency ember-data to v3.28.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-data	3.28.5 -> 3.28.8

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Release Notes

emberjs/data

### [`v3.28.8`](https://togithub.com/emberjs/data/compare/v3.28.7...v3.28.8) [Compare Source](https://togithub.com/emberjs/data/compare/v3.28.7...v3.28.8) ### [`v3.28.7`](https://togithub.com/emberjs/data/blob/HEAD/CHANGELOG.md#v3287-2022-01-01) [Compare Source](https://togithub.com/emberjs/data/compare/v3.28.6...v3.28.7) ##### :house: Internal - [#​7833](https://togithub.com/emberjs/data/pull/7833) CHANGELOG 3.28.7 ([@​snewcomer](https://togithub.com/snewcomer)) ##### Committers: 1 - Scott Newcomer ([@​snewcomer](https://togithub.com/snewcomer)) ### [`v3.28.6`](https://togithub.com/emberjs/data/compare/v3.28.5...v3.28.6) [Compare Source](https://togithub.com/emberjs/data/compare/v3.28.5...v3.28.6)

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