Format Date - Support ISO Week Year (GGGG)

[psevertson]

What kind of change does this PR introduce?

• Bugfix
• Feature
• Documentation
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change?

• Yes
• No

The PR fulfills these requirements:

• It's submitted to the dev branch (or v[X] branch)
• When resolving a specific issue, it's referenced in the PR's title (e.g. fix: #xxx[,#xxx], where "xxx" is the issue number)
• It's been tested on a Cordova (iOS, Android) app
• It's been tested on an Electron app
• Any necessary documentation has been added or updated in the docs or explained in the PR's description.

If adding a new feature, the PR's description includes:

• A convincing reason for adding this feature (to avoid wasting your time, it's best to start a new feature discussion first and wait for approval before working on it)

Other information:

Moment.js, Day.js, and other date libraries support date format tokens for the ISO week year (GGGG). This is so you can format dates like 2022-01-01 as 2021-W52 instead of the current YYYY token which returns the locale year.

https://momentjs.com/docs/#/parsing/string-format/:~:text=by%20moment.locale()-,gggg,-2014
https://day.js.org/docs/en/plugin/advanced-format