Run build workflow for ARM on native ARM runner

[cyb3rko]

Instead of emulating ARM we should run it on the new GitHub ARM runners like this (replace blacksmith runners with GitHub runners):

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Release blog of GitHub ARM runners:

https://github.blog/changelog/2025-01-16-linux-arm64-hosted-runners-now-available-for-free-in-public-repositories-public-preview
https://github.com/orgs/community/discussions/148648