Attestation rewards outdated

[tdahar]

Describe the bug

Attestation rewards are calculated differently in each fork. Phase0 had a specific calculation, which then changed in Altair.
Since the Altair fork, the attestation rewards calculation has not changed, but on the website, these are still shown as the Phase0 calculation.
https://ethereum.org/en/developers/docs/consensus-mechanisms/pos/attestations/#rewards

I wonder if this should be updated to the latest or if the page should be refactored to support different forks.

To reproduce

1. Go to 'https://ethereum.org/en/developers/docs/consensus-mechanisms/pos/attestations/#rewards'

Expected behavior

I would expect this page to allow to select which fork to look at or to show the latest calculation.

Screenshots

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Smartphone (please complete the following information)

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Additional context

I have forked the repository and I have a branch with the latest update. I would really love to contribute and help if possible :)

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