Update dependency @tryghost/content-api to v1.11.15

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@tryghost/content-api (source)	1.11.7 -> 1.11.15

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Release Notes

TryGhost/SDK (@​tryghost/content-api)

### [`v1.11.15`](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.14...@tryghost/content-api@1.11.15) [Compare Source](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.14...@tryghost/content-api@1.11.15) ### [`v1.11.14`](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.13...@tryghost/content-api@1.11.14) [Compare Source](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.13...@tryghost/content-api@1.11.14) ### [`v1.11.13`](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.12...@tryghost/content-api@1.11.13) [Compare Source](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.12...@tryghost/content-api@1.11.13) ### [`v1.11.12`](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.11...@tryghost/content-api@1.11.12) [Compare Source](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.11...@tryghost/content-api@1.11.12) ### [`v1.11.11`](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.10...@tryghost/content-api@1.11.11) [Compare Source](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.10...@tryghost/content-api@1.11.11) ### [`v1.11.10`](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.9...@tryghost/content-api@1.11.10) [Compare Source](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.9...@tryghost/content-api@1.11.10) ### [`v1.11.9`](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.8...@tryghost/content-api@1.11.9) [Compare Source](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.8...@tryghost/content-api@1.11.9) ### [`v1.11.8`](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.7...@tryghost/content-api@1.11.8) [Compare Source](https://togithub.com/TryGhost/SDK/compare/@tryghost/content-api@1.11.7...@tryghost/content-api@1.11.8)

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Configuration

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