fix: all go-log import to v2

[Dreamacro]

Seems like an oversight when migrating bootstrap and peering.

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[codecov]

Codecov Report

Merging #513 (0e6bf18) into main (50f8a08) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #513      +/-   ##
==========================================
- Coverage   65.57%   65.55%   -0.02%     
==========================================
  Files         207      207              
  Lines       25540    25540              
==========================================
- Hits        16748    16743       -5     
- Misses       7324     7325       +1     
- Partials     1468     1472       +4     

Files	Coverage Δ
bootstrap/bootstrap.go	32.54% <ø> (ø)
peering/peering.go	75.40% <ø> (ø)

... and 10 files with indirect coverage changes

[hacdias]

thank you for this!