[NIGHTLY] v25.12.00

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• Development Branch
• Compare with main branch

🚨 Breaking Changes

• Make dask an optional dependency (#7303) @jcrist
• Using int64_t for HDBSCAN and dropping int (#7104) @jinsolp

🐛 Bug Fixes

• Make conversion from scikit-learn SVM to cuML more robust (#7324) @csadorf
• Avoid pyyaml runtime dependency. (#7312) @csadorf

🛠️ Improvements

• Remove cuml.ensemble/cuml.dask.ensemble deprecated features (#7332) @jcrist
• Cleanup Ridge (#7330) @jcrist
• Accelerate linear model predict on C-ordered inputs (#7329) @jcrist
• Cleanup *.pxd files and cimports (#7327) @jcrist
• Release GIL in SpectralEmbedding (#7326) @jcrist
• Cleanup DBSCAN (#7325) @jcrist
• A few cuml.neighbors cleanups (#7320) @jcrist
• A few HDBSCAN cleanups (#7319) @jcrist
• Cleanup cuml.decomposition (#7316) @jcrist
• Run the scikit-learn test suite in parallel again (#7315) @csadorf
• Cleanup TSNE python implementation (#7311) @jcrist
• Make dask an optional dependency (#7303) @jcrist
• Update to rapids-logger 0.2 (#7301) @bdice
• Branch 25.12 merge branch 25.10 (#7291) @jcrist
• Avoid usage of deprecated cudf from_pandas (#7284) @TomAugspurger
• Update RAPIDS_BRANCH, codify changes in update-version.sh (#7268) @KyleFromNVIDIA
• Using int64_t for HDBSCAN and dropping int (#7104) @jinsolp