fix(deps): update dependency snyk to v1.456.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
snyk	1.455.0 -> 1.456.0

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Release Notes

snyk/snyk

### [`v1.456.0`](https://togithub.com/snyk/snyk/releases/v1.456.0) [Compare Source](https://togithub.com/snyk/snyk/compare/v1.455.0...v1.456.0) ##### Features - adds support for critical severity ([cc8730e](https://togithub.com/snyk/snyk/commit/cc8730e28974fe7c74750a4637506d9ea0cedf8b))

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