Bump github.com/moby/buildkit from 0.11.6 to 0.12.5

[antoinerg]

To address:

• CVE-2024-23652
• CVE-2024-23653

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.43%. Comparing base (9287da0) to head (6ed3438).

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Additional details and impacted files

@@               Coverage Diff                @@
##           release/v0.12.x    #1567   +/-   ##
================================================
  Coverage            67.43%   67.43%           
================================================
  Files                  133      133           
  Lines                 8106     8106           
================================================
  Hits                  5466     5466           
  Misses                2202     2202           
  Partials               438      438           

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