Splat is probably broken on latest version (3.2.0)

### Please tell us about your environment:

  

- _`winston` version?_

   - [ ] `winston@2`

   - [x] `winston@3` 

- _`node -v` outputs:_ v10.8.0

- _Operating System?_ Windows

- _Language?_ JS (with yarn)



I had this weird behavior where splat was not working after upgrading Winston, the cause was that `logform` was using different symbols for `SPLAT` than Winston.



`winston` version `3.2.0` specifies version `1.3.0` of `triple-beam`:

https://github.com/winstonjs/winston/blob/master/package.json#L36



But `logform` is using version `1.2.0`, see:

https://github.com/winstonjs/logform/blob/04a7109031d8ceaf8b93b15d1858d6f05d0a30c1/package.json#L35



This causes different symbols to be used for `SPLAT`, since they were basically different packages. This was the folder structure after an `yarn install`:

```

node_modules/

  logform/

  triple-beam/ (1.2.0)

  winston/

    node_modules/

      triple-beam/ (1.3.0)

```



And so this line was returning undefined:

https://github.com/winstonjs/logform/blob/04a7109031d8ceaf8b93b15d1858d6f05d0a30c1/splat.js#L36



The workaround was to set [package resolution](https://yarnpkg.com/lang/en/docs/selective-version-resolutions/) on package.json:

```

  "resolutions": {

    "**/triple-beam": "^1.3.0"

  }

```

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