Multipart bundle upload with metadata doesn't handle bad response

[nealrichardson]

rsconnect-python/rsconnect/api.py

Lines 731 to 739 in 0dbd416

	response = cast(
	Union[BundleMetadata, HTTPResponse],
	self.post(f"v1/content/{content_guid}/bundles", body=body, headers={"Content-Type": content_type}),
	)
	else:
	response = cast(
	Union[BundleMetadata, HTTPResponse], self.post(f"v1/content/{content_guid}/bundles", body=tarball)
	)
	response = self._server.handle_bad_response(response)

The old branch does have the handler but the new one doesn't, which leads to cryptic failures downstream.