fix: SuperchainConfig comments and test refactoring

[smartcontracts]

• Remove outdated warning comment from SuperchainConfig
• Bump SuperchainConfig version to 2.4.1
• Fix comment in OPContractsManagerV2
• Refactor test helpers: move NeedsSuperchainConfigUpgrade to testutil package
• Update add-game-type-v2 tests to deploy a full OP chain

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.6%. Comparing base (f6f815c) to head (8982b2e).
⚠️ Report is 17 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #19065     +/-   ##
==========================================
+ Coverage     76.0%    81.6%   +5.6%     
==========================================
  Files          188      133     -55     
  Lines        10943     6913   -4030     
==========================================
- Hits          8326     5647   -2679     
+ Misses        2473     1266   -1207     
+ Partials       144        0    -144     

Flag	Coverage Δ
cannon-go-tests-64	?
contracts-bedrock-tests	81.6% <100.0%> (-0.1%)	⬇️

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

Files with missing lines	Coverage Δ
...ages/contracts-bedrock/src/L1/SuperchainConfig.sol	100.0% <ø> (ø)
...racts-bedrock/src/L1/opcm/OPContractsManagerV2.sol	97.2% <100.0%> (ø)

... and 56 files with indirect coverage changes

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[0xiamflux]

LGTM

[JosepBove]

LGTM