Fixed:
- Fixed compatibility with SageMath 10.7, 10.8, 10.9
- Fixed (linker) issues with macOS 15 in CI and for developers.
- Fixed an issue in fmpz_poly_num_real_roots_0_1_sturm where sometimes
the number of sign changes in the Sturm sequence was miscounted. - Fixed failing doctest due to noisy deprecation warning from cppyy.