fix(deps): update dependency moment to v2.23.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
moment	dependencies	minor	2.22.2 -> 2.23.0	homepage, source

---

Release Notes

moment/moment

### [`v2.23.0`](https://renovatebot.com/gh/moment/moment/blob/master/CHANGELOG.md#​2230-See-full-changeloghttpsgistgithubcommarwahahaeadb7ac11b761290399a576f8b2419a5) [Compare Source](https://renovatebot.com/gh/moment/moment/compare/2.22.2...2.23.0) - Release Dec 12, 2018 - [#​4863](https://renovatebot.com/gh/moment/moment/pull/4863) [new locale] added Kurdish language (ku) - [#​4417](https://renovatebot.com/gh/moment/moment/pull/4417) [bugfix] isBetween should return false for invalid dates - [#​4700](https://renovatebot.com/gh/moment/moment/pull/4700) [bugfix] Fix [#​4698](https://renovatebot.com/gh/moment/moment/pull/4698): Use ISO WeekYear for HTML5_FMT.WEEK - [#​4563](https://renovatebot.com/gh/moment/moment/pull/4563) [feature] Fix [#​4518](https://renovatebot.com/gh/moment/moment/pull/4518): Add support to add/subtract ISO weeks - other locale changes, build process changes, typos

---

Renovate configuration

:date: Schedule: "after 2am,before 4am" (UTC).

:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: 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 Renovate Bot. View repository job log here.