Update dependency ember-auto-import to v2.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-auto-import	2.5.0 -> 2.6.0

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Release Notes

ef4/ember-auto-import

### [`v2.6.0`](https://togithub.com/ef4/ember-auto-import/blob/HEAD/packages/ember-auto-import/CHANGELOG.md#​260) [Compare Source](https://togithub.com/ef4/ember-auto-import/compare/v2.5.0...v2.6.0) - ENHANCEMENT: new option `earlyBootSet` allows you to work around compatibility problems between classic addons and v2 addons by [@​NullVoxPopuli](https://togithub.com/NullVoxPopuli) [553](https://togithub.com/ef4/ember-auto-import/pull/553)

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Configuration

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🚦 Automerge: Enabled.

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🔕 Ignore: Close this PR and you won't be reminded about this update again.

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