fix(deps): update dependency @middy/core to v2.5.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@middy/core	2.5.5 -> 2.5.6

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Release Notes

middyjs/middy

### [`v2.5.6`](https://togithub.com/middyjs/middy/releases/2.5.6) [Compare Source](https://togithub.com/middyjs/middy/compare/2.5.5...2.5.6) ##### What's Changed fix: add types for non-callback use case [#​788](https://togithub.com/middyjs/middy/issues/788) [@​markcarroll](https://togithub.com/markcarroll) **Full Changelog**: https://github.com/middyjs/middy/compare/2.5.5...2.5.6

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