Expand testing within /apps/site/next-data/generators/__tests__/releaseData.test.mjs

[bmuenzenmeyer]

See https://github.com/nodejs/nodejs.org/commit/851b085af21fe74612eccae9094803574c50e39c - this change was made 10/18/24 UTC when the logic and real date tripped.

We should mock the date so we can test the statuses we want to.