Bump netlify-cli from 19.1.5 to 21.2.1 (#1542)

Bumps [netlify-cli](https://github.com/netlify/cli) from 19.1.5 to 21.2.1.
- [Release notes](https://github.com/netlify/cli/releases)
- [Changelog](https://github.com/netlify/cli/blob/main/CHANGELOG.md)
- [Commits](netlify/cli@v19.1.5...v21.2.1)

---
updated-dependencies:
- dependency-name: netlify-cli
  dependency-version: 21.2.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]