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	v2, v3, v4	v6	build-ami.yml, build-vllm-image.yml, cache_diffusion.yml, cache_llm.yml, check_code_quality.yml, doc-build.yml, doc-pr-build.yml, security.yml, test_cpu_compilation.yml, test_cpu_lookup.yml, test_inf2_diffusers.yml, test_inf2_export.yml, test_inf2_llm.yml, test_inf2_seq2seq.yml, test_inf2_slow.yml, test_inf2_transformers.yml, test_inf2_vllm.yml, test_sagemaker.yml, test_trainium_training.yml
actions/setup-node	v3, v4	v6	doc-build.yml, doc-pr-build.yml
actions/setup-python	v4	v6	check_code_quality.yml, doc-build.yml, doc-pr-build.yml, test_cpu_compilation.yml, test_cpu_lookup.yml, test_sagemaker.yml
actions/stale	v9	v10	stale.yaml
actions/upload-artifact	v4	v6	doc-pr-build.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.