Updated all the CF deps to latest

[jimmynotjim]

Added cf-notifications and updated all the other CF deps to the latest minor version (mostly just for good housekeeping).

Changes

• Added cf-notifications to dependencies
• Added cf-notifications to Less import list

Preview this PR without the whitespace changes

Checklist

• [ ] Changes are limited to a single goal (no scope creep)
• [ ] Code can be automatically merged (no conflicts)
• [ ] Code follows the standards laid out in the front end playbook
• [ ] Passes all existing automated tests
• [ ] New functions include new tests
• [ ] New functions are documented (with a description, list of inputs, and expected output)
• [ ] Placeholder code is flagged
• [ ] Visually tested in supported browsers and devices
• [ ] Project documentation has been updated (including the "Unreleased" section of the CHANGELOG)

[jimmynotjim]

Merging so @nataliafitzgerald can continue working.