refactor(theme): dates should be formatted on the client-side instead of in nodejs code

[OzakIOne]

Pre-flight checklist

• I have read the Contributing Guidelines on pull requests.
• If this is a code change: I have written unit tests and/or added dogfooding pages to fully verify the new behavior.
• If this is a new API or substantial change: the PR has an accompanying issue (closes #0000) and the maintainers have approved on my working plan.

Motivation

As discussed in #9830 this would allow users to have their own format date by swizzling

However I'm wondering if it is the correct way to do it and I also don't know what to do with the failing tests because the formatted date is no more in node

Test Plan

Unit test

Test links

Deploy preview: https://deploy-preview-9868--docusaurus-2.netlify.app/blog/archive

Related issues/PRs

fix #9830

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[github-actions]

⚡️ Lighthouse report for the deploy preview of this PR

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/	🟠 76	🟢 98	🟢 96	🟢 100	🟠 88	Report
/docs/installation	🟠 88	🟢 96	🟢 100	🟢 100	🟠 88	Report
/docs/category/getting-started	🟠 75	🟢 100	🟢 100	🟢 90	🟠 88	Report
/blog	🟠 70	🟢 100	🟢 100	🟢 90	🟠 88	Report
/blog/preparing-your-site-for-docusaurus-v3	🟠 63	🟢 96	🟢 100	🟢 100	🟠 88	Report
/blog/tags/release	🟠 71	🟢 100	🟢 100	🟠 80	🟠 88	Report
/blog/tags	🟠 76	🟢 100	🟢 100	🟢 90	🟠 88	Report

[github-actions]

Size Change: 0 B

Total Size: 992 kB

ℹ️ View Unchanged

Filename	Size
website/.docusaurus/globalData.json	75.4 kB
website/build/assets/css/styles.********.css	114 kB
website/build/assets/js/main.********.js	765 kB
website/build/index.html	37.9 kB

_{compressed-size-action}

[slorber]

Looks like it's working

However the React code is too duplicated, we need a better abstraction.

Yes existing tests are failing, all the tests/snapshots need to be cleaned up from this removed nodejs attribute 😄

---

Note: we also have a formatted date in the docs plugin.

I think this refactor is a good opportunity to also migrate this code to the client-side:

    formattedLastUpdatedAt: lastUpdate.lastUpdatedAt
      ? formatDate(
          i18n.currentLocale,
          new Date(lastUpdate.lastUpdatedAt * 1000),
          i18n.localeConfigs[i18n.currentLocale]!.calendar,
        )
      : undefined,

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Build	Status	Details	Updated (UTC)
default (Inspect)	🧿 Changes detected (Review)	1 change	Feb 23, 2024, 4:07 PM

[slorber]

Looks almost good 👍

[slorber]

LGTM thanks 👍