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](https://github.com/sindresorhus/trim-newlines/compare/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](https://github.com/avajs/ava/compare/v0.25.0...v5.1.1)

Updates `xo` from 0.23.0 to 0.53.1
- [Release notes](https://github.com/xojs/xo/releases)
- [Commits](https://github.com/xojs/xo/compare/v0.23.0...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
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -22,9 +22,9 @@
     "randombytes": "^2.0.6"
   },
   "devDependencies": {
-    "ava": "^0.25.0",
+    "ava": "^5.1.1",
     "coveralls": "^3.0.2",
     "nyc": "^13.1.0",
-    "xo": "^0.23.0"
+    "xo": "^0.53.1"
   }
 }