Diffprivlib 0.6.5

This release of diffprivlib is a minor update to fix bugs that have resulted in the release of Numpy v2.0 and Scikit-Learn v1.5.

What's Changed

• [MNT] Prepare for Numpy 2.0 and Scikit-Learn 1.5 by @naoise-h in #92

Full Changelog: 0.6.4...0.6.5