op-node: fix log level of p2p peering

[protolambda]

Description

P2P related logging is too noisy.

Tests

Additional context

Metadata

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.24%. Comparing base (d979014) to head (bbd8ea6).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #16212       +/-   ##
============================================
+ Coverage    76.78%   96.24%   +19.45%     
============================================
  Files          169      106       -63     
  Lines         9556     4583     -4973     
============================================
- Hits          7338     4411     -2927     
+ Misses        2073      172     -1901     
+ Partials       145        0      -145     

Flag	Coverage Δ
cannon-go-tests-64	?
contracts-bedrock-tests	96.24% <ø> (ø)

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see 63 files with indirect coverage changes

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