ci: adding dpf testing to cicd

[germa89]

Description

As the title

Issue linked

Checklist

• I have visited and read Develop PyMAPDL.
• I have tested my changes locally
• I have added necessary documentation or updated existing documentation.
• I have followed the PyMAPDL coding style guidelines.
• I have added appropriate unit tests that also ensure the minimal coverage criteria.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have marked this PR as draft if it is not ready to be reviewed yet.
• I have made sure that the title of my PR follows Commit naming conventions (e.g. feat: adding new MAPDL command)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.33%. Comparing base (f59d94a) to head (791859b).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3852      +/-   ##
==========================================
+ Coverage   88.29%   88.33%   +0.04%     
==========================================
  Files         187      187              
  Lines       14819    14819              
==========================================
+ Hits        13084    13091       +7     
+ Misses       1735     1728       -7     

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[germa89]

@pyansys-ci-bot LGTM.

[pyansys-ci-bot]

✅ Approving this PR because germa89 said so in here 😬

[germa89]

After this PR, we are able to run DPF test locally using the new ubuntu-cicd image.

For other docker images, these tests are disabled by setting HAS_DPF equals to False.