fix: goerli/prater genesis validator root

[thINKoor]

It looks like the genesis hash was used by mistake: /~https://github.com/eth-clients/goerli/#meta-data-prater

📝 Summary

⛱ Motivation and Context

📚 References

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✅ I have run these commands

• make lint
• make test-race
• go mod tidy

[metachris]

thanks, i think that's correct. @Ruteri wdyt?

[codecov-commenter]

Codecov Report

Merging #474 (3ed860a) into main (dbc02c6) will not change coverage.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main     #474   +/-   ##
=======================================
  Coverage   68.64%   68.64%           
=======================================
  Files           8        8           
  Lines        1263     1263           
=======================================
  Hits          867      867           
  Misses        346      346           
  Partials       50       50           

Flag	Coverage Δ
unittests	68.64% <ø> (ø)

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