+ python 3.13, - python 3.8

[jrobichaud]

• add python 3.13 to test matrix
• drop support of python 3.8
• use psycopg3

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (210798a) to head (3b61a66). Report is 6 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #674 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 34 34 Lines 532 532 Branches 29 29 ========================================= Hits 532 532 ```

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