Remove -W flag from docs build command

The -W flag treats warnings as errors, which is too strict for documentation builds.

Author: Marius1311

pyproject.toml

@@ -108,7 +108,7 @@ features = [ "dev" ]
 [tool.hatch.envs.docs]
 features = [ "doc" ]
 dev-mode = true
-scripts.build = "sphinx-build -M html docs docs/_build -W {args}"
+scripts.build = "sphinx-build -M html docs docs/_build {args}"
 scripts.open = "python -m webbrowser -t docs/_build/html/index.html"
 scripts.clean = "git clean -fdX -- {args:docs}"