Pullapprove

- Add optional GitHub reporting app settings for sending statuses

- Require urllib3 ^1.26.0

- Prevent HTTP query params duplication on paginated requests
- Bitbucket context, comments, teams, reviewer identifiers, extends auth
- Update dependencies

- Add Redis caching support

- Fix repl dependencies

- GitLab beta support
- Handle more results for SSM params
- Add CLS client to CLI
- Start new `pullapprove repl` CLI for testing expressions