feat: add very basic CI for multi canonical method

[KSkwarczynski]

Pull request description:

First, need to merge this:
mach3-software/MaCh3#960

[github-actions]

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.github/workflows/CIValidations.yml:63:45: "github.head_ref" is potentially untrusted. avoid using it directly in inline scripts. instead, pass it through an environment variable. see https://docs.github.com/en/actions/reference/security/secure-use#good-practices-for-mitigating-script-injection-attacks for more details [expression]