chore(deps): update dependency diffengine to 15.5.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
DiffEngine	15.5.0 -> 15.5.1

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Release Notes

VerifyTests/DiffEngine (DiffEngine)

### [`v15.5.1`](https://redirect.github.com/VerifyTests/DiffEngine/compare/15.5.0...15.5.1) [Compare Source](https://redirect.github.com/VerifyTests/DiffEngine/compare/15.5.0...15.5.1)

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Configuration

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