PIT-105: use buildx to build the image for multiple architectures

[ramonbutter]

Closes #2671

[elasticmachine]

💔 Build Failed

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Build stats

• Start Time: 2023-07-26T08:20:03.320+0000

• Duration: 23 min 13 sec

Test stats 🧪

Test	Results
Failed	0
Passed	751
Skipped	1
Total	752

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test

• Took 10 min 9 sec . View more details here
• Description: make test-e2e

💚 Flaky test report

Tests succeeded.

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[mergify]

This pull request is now in conflicts. Could you fix it @ramonbutter? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b multiArchTarget upstream/multiArchTarget
git merge upstream/main
git push upstream multiArchTarget

[jlind23]

@ramonbutter any help the team can provide in order to make it land?
cc @jsoriano

[jlind23]

@ramonbutter can we move this forward?

[jlind23]

Hey @ramonbutter can we help you here?