chore(deps): update dependency @nestjs/testing to v7.6.17

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@nestjs/testing (source)	7.6.15 -> 7.6.17

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Release Notes

nestjs/nest

### [`v7.6.17`](https://togithub.com/nestjs/nest/compare/v7.6.16...v7.6.17) [Compare Source](https://togithub.com/nestjs/nest/compare/v7.6.16...v7.6.17) ### [`v7.6.16`](https://togithub.com/nestjs/nest/compare/v7.6.15...v7.6.16) [Compare Source](https://togithub.com/nestjs/nest/compare/v7.6.15...v7.6.16)

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