* Use dayjs with UTC plugin for date-formatter
* Remove 'toHuman' function
* Use dayjs dates in Datepicker component
* Use util/date.js functions in date formatter
* Remove `fromJSDate`
* Use formatISO instead of raw dayjs formatter
* Add year to X axis of multi-year graph
* Remove hardcoded condition for rendering year string, render if multiple years present in graph view
* Apply new argument contract to dateFormatter usage in graph-util.js
* Better defensive runtime type guard when deriving hasMultipleYears
* Remove console log
* Remove unrelated JSDoc change
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Co-authored-by: Vini Brasil <vini@hey.com>
