Support python-3.13

What's Changed

• Add macro to numpy header to preserve behaviour from numpy<2.1 by @tristpinsm in #225
• Bump actions/download-artifact from 5 to 6 by @dependabot[bot] in #223
• Bump actions/upload-artifact from 4 to 5 by @dependabot[bot] in #224
• Add support for python-3.13 by @tskisner in #228
• Bump actions/checkout from 5 to 6 by @dependabot[bot] in #227
• Add new noise model for discrete cosine transform (DCT) by @Bai-Chiang in #226

New Contributors

• @tristpinsm made their first contribution in #225
• @Bai-Chiang made their first contribution in #226

Full Changelog: v0.2.4...v0.2.5