Add `import` testing inside the smoke tests actions

[germa89]

📝 Description of the feature

In PyMAPDL we ran across a simple issue #2161 where because of changes in Python we couldn't catch it. Testing is done in Python 3.9, whereas this issue is raised only 3.8.

A simple module import would have raise an error which then would have shown in the CICD.

Therefore, I would propose to have an option for add a simple smoke test (simple python -c "import library") step (conditional) in the CICD.

💡 Steps for implementing the feature

I would draft a PR soon

🔗 Useful links and references

No response