HOL-Light: Run proofs in CI

[mkannwischer]

Following #640, we should also run that proofs in CI following the approach that mlkem-native is taking: https://github.com/pq-code-package/mlkem-native/blob/main/.github/workflows/hol_light.yml

[mkannwischer]

@jakemas, @hanno-becker - is it better to run these proofs on x86_64 or on AArch64?

[jakemas]

@jakemas, @hanno-becker - is it better to run these proofs on x86_64 or on AArch64?

I'd say x86, for the current discrepancy between the instruction ordering on (some) AArch64, and to more accurately represent the running environment.