fix(deps): update dependency @tryghost/errors to v1.3.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@tryghost/errors (source)	1.3.5 -> 1.3.6

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Release Notes

TryGhost/framework (@​tryghost/errors)

### [`v1.3.6`](https://togithub.com/TryGhost/framework/compare/@tryghost/errors@1.3.5...@tryghost/errors@1.3.6) [Compare Source](https://togithub.com/TryGhost/framework/compare/@tryghost/errors@1.3.5...@tryghost/errors@1.3.6)

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