Update module github.com/sapcc/go-api-declarations to v1.5.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/sapcc/go-api-declarations	require	minor	v1.4.3 -> v1.5.0

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Release Notes

sapcc/go-api-declarations

### [`v1.5.0`](https://togithub.com/sapcc/go-api-declarations/compare/v1.4.3...v1.5.0) [Compare Source](https://togithub.com/sapcc/go-api-declarations/compare/v1.4.3...v1.5.0)

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