go: Update op-geth to include latest SR 68ebaf81202ee7e21638232c54404074a49a63f6

[sebastianst]

...which includes the latest ink-mainnet chain config

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.27%. Comparing base (df743f6) to head (b578ad5).
Report is 1 commits behind head on develop.

❗ There is a different number of reports uploaded between BASE (df743f6) and HEAD (b578ad5). Click for more details.

HEAD has 4 uploads less than BASE

Flag	BASE (df743f6)	HEAD (b578ad5)
	2	1
cannon-go-tests-32	2	1
cannon-go-tests-64	2	1
contracts-bedrock-tests	1	0

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #14484       +/-   ##
============================================
- Coverage    78.11%   43.27%   -34.85%     
============================================
  Files          178      905      +727     
  Lines        10667    82615    +71948     
============================================
+ Hits          8333    35752    +27419     
- Misses        2143    43831    +41688     
- Partials       191     3032     +2841     

Flag	Coverage Δ
cannon-go-tests-32	61.89% <ø> (-2.02%)	⬇️
cannon-go-tests-64	56.54% <ø> (-1.65%)	⬇️
contracts-bedrock-tests	?

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see 969 files with indirect coverage changes