Hotfix: PB-432 📝 📚 Update test badge and CI to reflect changes

[dkravetz]

References

PB-432

Summary

This PR updates the tests badge to a more accurate name, as well as pointing to the correct URL.
The CI is also updated to run lints and tests on push to master, to reflect this changes

Are there any open tasks/blockers for the ticket?

No

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Reviewer checklist

Reviewer agreement:

• Reviewers assign themselves at the start of the review.
• Reviewers do not commit or merge the merge request.
• Reviewers have to check and mark items in the checklist.

Merge request checklist

• Conforms to the merge request title naming XP-XXX <a description in imperative form>.
• Each commit conforms to the naming convention XP-XXX <a description in imperative form>.
• Linked the ticket in the merge request title or the references section.
• Added an informative merge request summary.

Code checklist

• Conforms to the branch naming XP-XXX-<a_small_stub>.
• Passed scope checks.
• Added or updated tests if needed.
• Added or updated code documentation if needed.
• Conforms to Google docstring style.
• Conforms to XAIN structlog style.