Rethink "Roadmap" section of About page

[samajammin]

Is your feature request related to a problem? Please describe.

We currently have a "Roadmap" section of About page:
https://ethereum.org/en/about/#roadmap

It outlines a process of how we approach work on the website:

We organize our tasks in 3 categories:

• in progress
• planned
• implemented

Then it pulls in various GH issues (via GH API) with the associated labels:

• planned: Status: Up Next
• in progress Status: In Progress

Then for "implemented" I believe it just pulls in PRs that have been merged.

Overall this is ok but I don't think it accurately reflects our roadmap. e.g. I don't think the Status: Up Next or Status: In Progress issue labels are frequently used.

Describe the solution you'd like

It might be easier & clearer to just:

1. explain we set our product roadmap on a quarterly basis
2. link to the most recent product roadmap GH issue (currently Q4 2022 ethereum.org product roadmap #8399), which gives a clear outline of what our priorities are & we're working on
3. Delete the various Status labels from GH

Describe alternatives you've considered

• remove the "Roadmap" section from the page entirely
• start using status GH labels on issues/PRs with more discipline

Additional context

No response

[github-actions]

This issue is stale because it has been open 45 days with no activity.

[samajammin]

@minimalsm seems like a good candidate for you to knock out fairly easily?

Looks like the current section is now broken:

So perhaps a good reason to prioritize this update.

[nhsz]

Related issue: #9158