CI: Use tests-on-pr.yml from skpkg 0.3.0 and pip installing gooey

[cadenmyers13]

closes#135

[cadenmyers13]

@sbillinge ready for review.

I generated this with package update and there is no python_version like mentioned here #135 (comment)

[sbillinge]

That's the way to do it! 🥇

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.13%. Comparing base (d016b99) to head (24c43cb).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@ Coverage Diff @@## main #217 +/- ##
=======================================
Coverage 99.13% 99.13% =======================================
Files 5 5 Lines 345 345 =======================================
Hits 342 342 Misses 3 3 

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