Adding setup and testing support for 3.14

[pscheidler]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.35%. Comparing base (ee40200) to head (8dcedc2).

Additional details and impacted files

@@               Coverage Diff               @@
##           development     #232      +/-   ##
===============================================
- Coverage        71.41%   71.35%   -0.07%     
===============================================
  Files               35       35              
  Lines             3278     3278              
===============================================
- Hits              2341     2339       -2     
- Misses             937      939       +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.