release(deps[gp-sphinx]) bump 0.0.1a16.dev4 → 0.0.1a16

why: gp-sphinx 0.0.1a16 (final) is on PyPI. Promote off the
pre-release pin and drop the [tool.uv].prerelease workaround that
was only needed to resolve *.devN versions.

what:
- bump every gp-sphinx workspace pin in pyproject.toml + uv.lock
- drop the [tool.uv] block carrying prerelease = "allow"; the
  [tool.uv.exclude-newer-package] section it sat above is unchanged

Author: tony

pyproject.toml

@@ -70,9 +70,9 @@ vcspull = "vcspull:cli.cli"
 [dependency-groups]
 dev = [
   # Docs
-  "gp-sphinx==0.0.1a16.dev4",
-  "sphinx-autodoc-argparse==0.0.1a16.dev4",
-  "sphinx-autodoc-api-style==0.0.1a16.dev4",
+  "gp-sphinx==0.0.1a16",
+  "sphinx-autodoc-argparse==0.0.1a16",
+  "sphinx-autodoc-api-style==0.0.1a16",
   "gp-libs",
   "sphinx-autobuild",
   # Testing
@@ -99,9 +99,9 @@ dev = [
 ]
 
 docs = [
-  "gp-sphinx==0.0.1a16.dev4",
-  "sphinx-autodoc-argparse==0.0.1a16.dev4",
-  "sphinx-autodoc-api-style==0.0.1a16.dev4",
+  "gp-sphinx==0.0.1a16",
+  "sphinx-autodoc-argparse==0.0.1a16",
+  "sphinx-autodoc-api-style==0.0.1a16",
   "gp-libs",
   "sphinx-autobuild",
 ]
@@ -135,13 +135,6 @@ typings = [
 requires = ["hatchling"]
 build-backend = "hatchling.build"
 
-[tool.uv]
-# `[DO NOT MERGE]`: gp-sphinx workspace ships on the 0.0.1a16.devN
-# pre-release track until the sphinx-vite-builder integration is
-# proven end-to-end. uv otherwise refuses to resolve `*.dev4`
-# markers without this allow.
-prerelease = "allow"
-
 [tool.uv.exclude-newer-package]
 # vcspull's release cadence is tightly coupled to libvcs -- a libvcs
 # release blocking on a 3-day cooldown blocks every contributor's