chore(deps): update dependency openapi-typescript to ^6.7.6 (stable0.7)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
openapi-typescript (source)	^6.7.5 -> ^6.7.6

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Release Notes

drwpow/openapi-typescript (openapi-typescript)

### [`v6.7.6`](https://togithub.com/drwpow/openapi-typescript/releases/tag/openapi-typescript%406.7.6) [Compare Source](https://togithub.com/drwpow/openapi-typescript/compare/openapi-typescript@6.7.5...openapi-typescript@6.7.6) ##### Patch Changes - [#​1648](https://togithub.com/drwpow/openapi-typescript/pull/1648) [`37885c2aec15d406720c5457da5bcaf7a142ab75`](https://togithub.com/drwpow/openapi-typescript/commit/37885c2aec15d406720c5457da5bcaf7a142ab75) Thanks [@​nzapponi](https://togithub.com/nzapponi)! - Fix SecurityRequirementsObject to allow partial security schemes

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