chore: upgrade libgit2 and git2go versions

[patrickdevivo]

To libgit2 v1.5 and git2go v34

[codecov]

Codecov Report

Merging #358 (563acad) into main (97fed80) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #358   +/-   ##
=======================================
  Coverage   71.04%   71.04%           
=======================================
  Files          57       57           
  Lines        4445     4445           
=======================================
  Hits         3158     3158           
  Misses        918      918           
  Partials      369      369           

Impacted Files	Coverage Δ
extensions/internal/git/native/blame.go	65.04% <ø> (ø)
extensions/internal/git/native/files.go	64.00% <ø> (ø)
extensions/internal/git/native/stats.go	59.74% <ø> (ø)

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