Support numpy 2

[kmnhan]

• lmfit 1.3.1 is not compatible with numpy 2, wait for 1.3.2 release and update dependencies
• Various unrelated bug fixes

[codecov[bot]]

Codecov Report

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

Project coverage is 72.25%. Comparing base (5371767) to head (b5d8aa4). Report is 144 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #48 +/- ## ========================================== - Coverage 72.27% 72.25% -0.02% ========================================== Files 65 65 Lines 10085 10085 ========================================== - Hits 7289 7287 -2 - Misses 2796 2798 +2 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.