Upgrade GitHub Actions for Node 24 compatibility

[salmanmkc]

Summary

This PR upgrades GitHub Actions to their latest versions for Node.js 24 compatibility and security updates.

Changes

Action	Old Version(s)	New Version	Files
actions/checkout	08c6903cd8c0fde910a37f88322edcfb5dd907a8	8e8c483db84b4bee98b60c0593521ed34d9990e8	build_docker_images.yml, deploy_method_comparison_app.yml, integrations_tests.yml, nightly.yml, stale.yml, test-docker-build.yml, tests-main.yml, tests.yml, torch_compile_tests.yml, trufflehog.yml, zizmor.yaml
actions/setup-python	e797f83bcb11b83ae66e0230d6156d7c80228e7c	a309ff8b426b58ec0e2a45f0f869d46889d02405	integrations_tests.yml, stale.yml, tests-main.yml, tests.yml

Why these changes?

• Keeps actions up to date with latest stable releases
• Updated actions include security fixes and new features

Testing

These changes only update action versions and don't modify workflow logic.