Use Arm runners in the tests

[zaikunzhang]

This should at least be done for CMake tests, build_python tests, and PyPRIMA tests. Ideally, it should replace all current tests on Raspberry Pi.

See https://github.blog/changelog/2025-01-16-linux-arm64-hosted-runners-now-available-for-free-in-public-repositories-public-preview/