py(deps[uv]) Add sphinx-gp-llms to exclude-newer-package whitelist

why: new gp-sphinx workspace package blocked by exclude-newer
cooldown, causing uv sync failures on Python 3.15 splits.

what:
- Add sphinx-gp-llms = false to [tool.uv.exclude-newer-package]

Author: tony

pyproject.toml

@@ -131,6 +131,7 @@ sphinx-autodoc-sphinx = false
 sphinx-autodoc-typehints-gp = false
 sphinx-fonts = false
 sphinx-gp-opengraph = false
+sphinx-gp-llms = false
 sphinx-gp-sitemap = false
 sphinx-gp-theme = false
 sphinx-ux-autodoc-layout = false