Merge pull request #5101 from chrishavlin/mypy_numpy2_compat_fix

TYP: Fix typing in numpy2_compat.py

Author: neutrinoceros

yt/_maintenance/numpy2_compat.py

@@ -6,4 +6,4 @@
     # np.trapz is deprecated in numpy 2.0 in favor of np.trapezoid
     trapezoid = np.trapezoid
 else:
-    trapezoid = np.trapz  # type: ignore [attr-defined] # noqa: NPY201
+    trapezoid = np.trapz  # type: ignore[assignment] # noqa: NPY201