security: bump to go 1.25.7 to resolve CVE-2025-68121

[aramase]

/triage accepted
/assign enj stlaz

[k8s-ci-robot]

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 22.13%. Comparing base (ac629c8) to head (e491eea).
⚠️ Report is 30 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1990      +/-   ##
==========================================
- Coverage   28.35%   22.13%   -6.22%     
==========================================
  Files          63       57       -6     
  Lines        4535     3198    -1337     
==========================================
- Hits         1286      708     -578     
+ Misses       3124     2398     -726     
+ Partials      125       92      -33     

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[bleon-ethical]

Hi, I've made a pull request to help you; there was a bug in Go images: kubernetes/test-infra#36433

[bleon-ethical]

/retest-required

[bleon-ethical]

/assign

[bleon-ethical]

Hey, @aramase, try looking at what I sent earlier, you're assigned to review what I sent.

[aramase]

/retest