temp pin setuptools so package can install (#1309)

upstream pytorch issue

pyproject.toml

@@ -64,6 +64,7 @@ scanpy = {version = ">=1.6", optional = true}
 scanpydoc = {version = ">=0.5", optional = true}
 scikit-learn = ">=0.21.2"
 scikit-misc = {version = ">=0.1.3", optional = true}
+setuptools = "<=59.5.0"
 sphinx = {version = ">=3.4", optional = true}
 sphinx-autodoc-typehints = {version = "*", optional = true}
 sphinx-gallery = {version = ">0.6", optional = true}