fix: Add a step to setup QEMU

[M0nkeySan]

Setup QEMU in order to be able to build a arm64 image from ubuntu.

Should fix this issue : https://github.com/ManoManoTech/homer/actions/runs/20166596995/job/57891524411

From : https://docs.docker.com/build/ci/github-actions/multi-platform/#build-and-load-multi-platform-images

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.53%. Comparing base (efb45b5) to head (48976c2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #150   +/-   ##
=======================================
  Coverage   87.53%   87.53%           
=======================================
  Files         101      101           
  Lines        2198     2198           
  Branches      423      427    +4     
=======================================
  Hits         1924     1924           
  Misses        263      263           
  Partials       11       11           

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