community/py3-lsp-server: move py3-docstring-to-markdown to depends
docstring-to-markdown is listed in dependencies in pyproject.toml of 1.6, so it belongs in depends rather than makedepends. Before moving pylsp failed with ModuleNotFoundError.
docstring-to-markdown is listed in dependencies in pyproject.toml of 1.6, so it belongs in depends rather than makedepends. Before moving pylsp failed with ModuleNotFoundError.