Bump trim-newlines, ava and xo

Bumps [trim-newlines](https://github.com/sindresorhus/trim-newlines) to 4.0.2 and updates ancestor dependencies [trim-newlines](https://github.com/sindresorhus/trim-newlines), [ava](https://github.com/avajs/ava) and [xo](https://github.com/xojs/xo). These dependencies need to be updated together.


Updates `trim-newlines` from 1.0.0 to 4.0.2
- [Release notes](https://github.com/sindresorhus/trim-newlines/releases)
- [Commits](sindresorhus/trim-newlines@v1.0.0...v4.0.2)

Updates `ava` from 0.25.0 to 5.1.1
- [Release notes](https://github.com/avajs/ava/releases)
- [Commits](avajs/ava@v0.25.0...v5.1.1)

Updates `xo` from 0.20.3 to 0.53.1
- [Release notes](https://github.com/xojs/xo/releases)
- [Commits](xojs/xo@v0.20.3...v0.53.1)

---
updated-dependencies:
- dependency-name: trim-newlines
  dependency-type: indirect
- dependency-name: ava
  dependency-type: direct:development
- dependency-name: xo
  dependency-type: direct:development
...

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