Update commander to 6.2.1

[Krinkle]

Update commander from 6.2.0 to 6.2.1 (latest).

https://github.com/tj/commander.js/releases/tag/v6.2.1
https://github.com/tj/commander.js/commits/v6.2.1

• Verify publication to npm, use npm info [pgk]@[current] and npm info [pgk]@[proposed].
• Review package diffs, use https://diff.intrinsic.com.
• Repeat the above two steps for any changes to indirect dependencies.
• What feature(s) is this package used for: CLI options parsing.
  • Prepare update in a PR and locally interact with the related features.

Past examples at #1524, #1522.

[Krinkle]

Verify publication

[email protected] | MIT | deps: none | …

maintainers: …

published 2 months ago by abetomo <[email protected]>

[email protected] | MIT | deps: none | …

maintainers:
- zhiyelee <[email protected]>
- somekittens <[email protected]>
- tjholowaychuk <[email protected]>
- vanesyan <[email protected]>
- shadowspawn <[email protected]>
- abetomo <[email protected]>

published a month ago by abetomo <[email protected]>

• ✅ Published by the same account as a previous release: Yes.
• ✅ New maintainer(s): (none).
• ✅ Added ependencies: (none)
• ✅ Changed dependencies: (none)

Review package diffs

https://diff.intrinsic.com/commander/6.2.0/6.2.1

The only commits since the previous release were under the tests directory. The published package has no code or metadata changes, only a no-op addition to the change log is in the package.

✅ LGTM.