Upgrade: [dependabot] - bump @redocly/cli from 2.19.1 to 2.20.0

Bumps [@redocly/cli](https://github.com/Redocly/redocly-cli) from 2.19.1 to 2.20.0.
- [Release notes](https://github.com/Redocly/redocly-cli/releases)
- [Commits](https://github.com/Redocly/redocly-cli/compare/@redocly/cli@2.19.1...@redocly/cli@2.20.0)

---
updated-dependencies:
- dependency-name: "@redocly/cli"
  dependency-version: 2.20.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]