py(deps[dev]): Bump gp-sphinx packages to 0.0.1a1

why: The gp-sphinx docs stack moved to v0.0.1a1 and downstream branches need matching pins and locks.
what:
- bump gp-sphinx docs dependency pins from 0.0.1a0 to 0.0.1a1
- refresh uv.lock to resolve the published v0.0.1a1 packages

Author: tony

pyproject.toml

@@ -56,7 +56,7 @@ libtmux-mcp = "libtmux_mcp:main"
 [dependency-groups]
 dev = [
   # Docs
-  "gp-sphinx==0.0.1a0",
+  "gp-sphinx==0.0.1a1",
   "gp-libs",
   "sphinx-autobuild",
   # Testing
@@ -77,7 +77,7 @@ dev = [
 ]
 
 docs = [
-  "gp-sphinx==0.0.1a0",
+  "gp-sphinx==0.0.1a1",
   "gp-libs",
   "sphinx-autobuild",
 ]