build(deps): bump sphinx-lua-ls in /docs in the docs group

Bumps the docs group in /docs with 1 update: [sphinx-lua-ls](https://github.com/sphinx-contrib/lua-ls).


Updates `sphinx-lua-ls` from 3.12.0 to 3.12.1
- [Release notes](https://github.com/sphinx-contrib/lua-ls/releases)
- [Changelog](https://github.com/sphinx-contrib/lua-ls/blob/main/CHANGELOG.md)
- [Commits](sphinx-contrib/lua-ls@v3.12.0...v3.12.1)

---
updated-dependencies:
- dependency-name: sphinx-lua-ls
  dependency-version: 3.12.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docs
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs/pyproject.toml

@@ -6,6 +6,6 @@ dependencies = [
   "myst-parser>=5.1.0",
   "sphinx",
   "sphinx-design>=0.7.0",
-  "sphinx_lua_ls>=3.7.0",
+  "sphinx_lua_ls>=3.12.1",
   "sphinxext-rediraffe>=0.3.0",
 ]