GPT-QModel v4.2.5

What's Changed

• Cleanup hyb_act by @Qubitium in #1791
• Remove torch import in setup.py by @Qubitium in #1729
• Refractor: rename hyb_act to act_group_aware by @Qubitium in #1794
• Cleanup by @Qubitium in #1795, #1796
• [CI] Add torch 2.8.0 by @CSY-ModelCloud in #1797
• [CI] torch-2.6.0+cu128-python-3.9 does not exist by @CSY-ModelCloud in #1798
• Fix wf_unsqueeze_zero and wf_unsqueeze_neg_one by @LRL-ModelCloud in #1799
• GAR field save to meta on quant save by @Qubitium in #1800
• Add pyproject.toml by @CSY-ModelCloud in #1801
• [CI] Don't detect arch list when it has already been set & fix build-system requirments by @CSY-ModelCloud in #1802

Full Changelog: v4.2.0...v4.2.5