Bump got, @lhci/cli and ava

Removes [got](https://github.com/sindresorhus/got). It's no longer used after updating ancestor dependencies [got](https://github.com/sindresorhus/got), [@lhci/cli](https://github.com/GoogleChrome/lighthouse-ci) and [ava](https://github.com/avajs/ava). These dependencies need to be updated together.


Removes `got`

Updates `@lhci/cli` from 0.7.2 to 0.11.1
- [Release notes](https://github.com/GoogleChrome/lighthouse-ci/releases)
- [Commits](GoogleChrome/lighthouse-ci@v0.7.2...v0.11.1)

Updates `ava` from 3.15.0 to 5.2.0
- [Release notes](https://github.com/avajs/ava/releases)
- [Commits](avajs/ava@v3.15.0...v5.2.0)

---
updated-dependencies:
- dependency-name: got
  dependency-type: indirect
- dependency-name: "@lhci/cli"
  dependency-type: direct:production
- dependency-name: ava
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>