Adding poutine SAST

[h2parson]

This PR adds poutine to CI for static application security testing

This PR addresses issue #1866

When this feature was pushed it was observed that poutine ran as part of the CI routine which shows that the feature works

This PR does NOT change input/output behaviour of a cryptographic algorithm and does not change the list of algorithms available

[github-advanced-security[bot]]

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[aidenfoxivey]

Should be superseded by https://github.com/open-quantum-safe/liboqs/pull/2213.