[21592] Test generation of types with -python in ci (backport #399)

[mergify]

Description

This PR introduces a new step in CI that generates the types defined in dds-type-tests with -python arg for checking failures.

Susccessfull generation (after the fix in #294): here
Failing run (before the fix in the previous PR): here

Note: we may add backports

@Mergifyio backport 3.3.x 2.5.x 2.1.x

Contributor Checklist

• Commit messages follow the project guidelines.

• N/A Tests that thoroughly check the new feature have been added/Regression tests checking the bug and its fix have been added; the added tests pass locally

• N/A New feature has been documented/Current behavior is correctly described in the documentation.

• Applicable backports have been included in the description.

Reviewer Checklist

• The PR has a milestone assigned.
• The title and description correctly express the PR's purpose.
• Check contributor checklist is correct.
• Check CI results: changes do not issue any warning.
• Check CI results: failing tests are unrelated with the changes.

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This is an automatic backport of pull request #399 done by [Mergify](https://mergify.com).