Bump moment from 2.22.0 to 2.22.2

[dependabot-preview]

Bumps moment from 2.22.0 to 2.22.2.

Changelog

Sourced from moment's changelog.

2.22.2 See full changelog

• Release May 31, 2018

• #4564 [bugfix] Avoid using trim()

• #4453 [bugfix] Treat periods as periods, not regex-anything period, for weekday parsing in strict mode.

• Minor locale improvements (pa-in, be, az)

2.22.1 See full changelog

• Release Apr 14, 2018

• #4495 [bugfix] Added HTML5_FMT to moment.d.ts

• Minor locale improvements

• QUnit upgrade and coveralls reporting

Commits

• 2e2a5b3 Build 2.22.2
• e79be41 Bump version to 2.22.2
• 7fdc23f Update changelog for 2.22.2
• 12cf027 [misc] Fix grunt devDep to 3.5.2 (#4648)
• 398d994 [misc] Typo in test (#4610)
• a831fc7 [bugfix] Avoid using trim() (#4564)
• ad49bd6 [locale] Fix #4568: Insert punjabi for "next" (#4583)
• 245e5fc [misc] Fix "the the" typo in test (#4578)
• 508f9ce [locale] Fix wrong calendar() output in 'be' localisation (#4528)
• aba77ec [locale] az: Fix typo in seconds (#4527)
• Additional commits viewable in compare view

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