fix(deps): update dependency winston to v3.15.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
winston	3.14.2 -> 3.15.0

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Release Notes

winstonjs/winston (winston)

### [`v3.15.0`](https://redirect.github.com/winstonjs/winston/compare/v3.14.2...195e55c7e7fc58914ae4967ea7b832c9e0ced930) [Compare Source](https://redirect.github.com/winstonjs/winston/compare/v3.14.2...v3.15.0)

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