1.2.8

@jeremy010203

Python package

Support Python 3.13 #2748. Thanks to @jeremy010203.
Support NumPy 2.x. #2671
Drop support for obsolete Python 3.7.
Use the proper name of the implementation class as a string id when storing values calculated for custom metrics on GPU. #1792
Propagate exceptions from custom metrics code on GPU. #1792

[R-package] Allow targets of character and factor types (useful for classes). #1874
Better default leaf_estimation_iterations for Tweedie regression on GPU. #2812

Switch to external Cython 3.0.10+ instead of 0.29.x-based version from contrib. #2810
Switch to Conan 2.x. #2582
[CUDA]. Do not output detailed ptxas statistics by default.
Used OpenSSL version updated to 3.0.15

[JVM applier]. Methods related to evaluator types have been private by mistake.
[JVM applier]. Categorical features hashing methods have been private by mistake.
Fix crash when training on a quantized dataset that contains categorical features. #2816
Fix prediction of type Probability on CPUs that do not have SSE4 instruction set (that includes all ARM CPUs).
Values with probability 0 have been erroneously computed as nan.
Fix race condition when loading sparse datasets.