compatibility to new numpy scipy and numexpr versions (#281)

* Scipy 1.14.0 removed deprecated scipy.integrate.trapz and
scipy.integrate.simps functions
* numexpr introduced (in version 2.9?) sanity check rules, which result
in invalid control character errors if ignored.
* numpy 2.0 changed __array_ufunc__ such that axis=None is possible.
* numpy 2.0 has removed np.asfarray