Bump cookie and @probot/pino (#88)

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


Removes `cookie`

Updates `@probot/pino` from 2.3.5 to 2.5.0
- [Release notes](https://github.com/probot/pino/releases)
- [Commits](probot/pino@v2.3.5...v2.5.0)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: "@probot/pino"
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]