chore(deps): bump got and probot

Removes [got](https://github.com/sindresorhus/got). It's no longer used after updating ancestor dependency [probot](https://github.com/probot/probot). These dependencies need to be updated together.


Removes `got`

Updates `probot` from 9.15.1 to 12.2.8
- [Release notes](https://github.com/probot/probot/releases)
- [Commits](probot/probot@v9.15.1...v12.2.8)

---
updated-dependencies:
- dependency-name: got
  dependency-type: indirect
- dependency-name: probot
  dependency-type: direct:production
...

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