py(deps[uv]) Extend exclude-newer-package whitelist to gp-sphinx workspace

why: With gp-sphinx 0.0.1a10 just published (and any of its
workspace siblings minted at the same time), the rolling
exclude-newer = now − P3D window in the lockfile filters every
release younger than 3 days. Until the window naturally clears,
contributor uv sync --all-extras --dev --upgrade would fail with:

    × No solution found when resolving dependencies:
      ╰─▶ Because there is no version of gp-sphinx==0.0.1a10 ...
      hint: Consider using `exclude-newer-package` to override the
      cutoff for this package.

The cooldown exists for supply-chain hygiene against unfamiliar
upstreams. git-pull packages aren't an unfamiliar upstream — gp ==
git-pull, and so are we — and vcspull already uses the same
[tool.uv.exclude-newer-package] override for libvcs, this commit
extends it to cover the rest of the git-pull dep surface (gp-libs
as a standalone utility, gp-sphinx plus its workspace siblings as
the docs stack).

what:
- pyproject.toml: extend the existing
  [tool.uv.exclude-newer-package] block. libvcs stays in place;
  gp-libs leads as the standalone utility, gp-sphinx and its
  workspace packages (sphinx-autodoc-*, sphinx-gp-*, sphinx-ux-*,
  sphinx-fonts) follow in alphabetical order.
- uv.lock: regenerated. uv writes a matching
  [options.exclude-newer-package] block; the 0.0.1a10 line
  resolves cleanly from PyPI.

Author: tony

pyproject.toml

@@ -141,7 +141,23 @@ build-backend = "hatchling.build"
 # ``uv sync`` until the cooldown clears. ``false`` exempts libvcs from
 # any ``exclude-newer`` constraint (global or per-user) without
 # committing a date that would age into the lockfile.
+
+gp-libs = false
+gp-sphinx = false
 libvcs = false
+sphinx-autodoc-api-style = false
+sphinx-autodoc-argparse = false
+sphinx-autodoc-docutils = false
+sphinx-autodoc-fastmcp = false
+sphinx-autodoc-pytest-fixtures = false
+sphinx-autodoc-sphinx = false
+sphinx-autodoc-typehints-gp = false
+sphinx-fonts = false
+sphinx-gp-opengraph = false
+sphinx-gp-sitemap = false
+sphinx-gp-theme = false
+sphinx-ux-autodoc-layout = false
+sphinx-ux-badges = false
 
 [tool.mypy]
 python_version = "3.10"