fix: sympy backend on numpy 2.0 (full numpy 2.0 support)

[Saransh-cpp]

Description

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[codecov[bot]]

Codecov Report

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

Project coverage is 86.67%. Comparing base (b7a0907) to head (d44dd3d). Report is 30 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #473 +/- ## ======================================= Coverage 86.67% 86.67% ======================================= Files 96 96 Lines 11836 11836 ======================================= Hits 10259 10259 Misses 1577 1577 ```

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