Prepare Holocene Mainnet release

[sebastianst]

No description provided.

[geoknee]

Approving from the superchain registry side of things. Looks like we need to cope with upstream op-geth changes before merging, so we should get another review on those changes when they are ready.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 44.46%. Comparing base (eabf704) to head (f96f768).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #13334      +/-   ##
===========================================
- Coverage    47.45%   44.46%   -2.99%     
===========================================
  Files          931      818     -113     
  Lines        78188    73092    -5096     
  Branches       849        0     -849     
===========================================
- Hits         37103    32504    -4599     
+ Misses       38361    37920     -441     
+ Partials      2724     2668      -56     

Flag	Coverage Δ
cannon-go-tests-32	61.85% <ø> (-2.02%)	⬇️
cannon-go-tests-64	56.72% <ø> (-1.66%)	⬇️
contracts-bedrock-tests	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
op-node/rollup/superchain.go	0.00% <ø> (ø)

... and 132 files with indirect coverage changes

[protolambda]

We're reverting the op-geth withdrawals-root change, to derisk the Holocene roll out. Do not merge this yet, until the chain config changes have been dropped, and until the op-geth dependency has been updated to include the merge of ethereum-optimism/op-geth#449