build(deps): bump winston-transport from 4.5.0 to 4.6.0 (#249)

Bumps [winston-transport](https://github.com/winstonjs/winston-transport) from 4.5.0 to 4.6.0.
- [Release notes](https://github.com/winstonjs/winston-transport/releases)
- [Changelog](https://github.com/winstonjs/winston-transport/blob/master/CHANGELOG.md)
- [Commits](winstonjs/winston-transport@v4.5.0...v4.6.0)

---
updated-dependencies:
- dependency-name: winston-transport
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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