Bump golang to 1.25.8 (#2830)

[gabedos]

What does this PR do?

Backport #2830 to v1.25.0

Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label
• All commits are signed (see: signing commits)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 38.83%. Comparing base (1dd69d7) to head (f5ad719).
⚠️ Report is 2 commits behind head on v1.25.

Additional details and impacted files

@@            Coverage Diff             @@
##            v1.25    #2831      +/-   ##
==========================================
+ Coverage   38.64%   38.83%   +0.19%     
==========================================
  Files         309      309              
  Lines       26734    26832      +98     
==========================================
+ Hits        10331    10420      +89     
- Misses      15627    15632       +5     
- Partials      776      780       +4     

Flag	Coverage Δ
unittests	38.83% <ø> (+0.19%)	⬆️

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see 2 files with indirect coverage changes

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