Update dependency commander to ^5.1.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
commander	dependencies	minor	^5.0.0 -> ^5.1.0

---

Release Notes

tj/commander.js

v5.1.0

Compare Source

Added

• support for multiple command aliases, the first of which is shown in the auto-generated help ([#​531], [#​1236])
• configuration support in addCommand() for hidden and isDefault ([#​1232])

Fixed

• omit masked help flags from the displayed help ([#​645], [#​1247])
• remove old short help flag when change help flags using helpOption ([#​1248])

Changed

• remove use of arguments to improve auto-generated help in editors ([#​1235])
• rename .command() configuration noHelp to hidden (but not remove old support) ([#​1232])
• improvements to documentation
• update dependencies
• update tested versions of node
• eliminate lint errors in TypeScript ([#​1208])

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.