Return version information for the QVM.

        :return: String of QVM version

def _qvm_get_version_info(self) -> dict:
        """
        Return version information for the QVM.

        :return: String of QVM version
        """
        response = post_json(self.session, self.sync_endpoint, {'type': 'version'})
        split_version_string = response.text.split()
        try:
            qvm_version = split_version_string[0]
        except ValueError:
            raise TypeError(f'Malformed version string returned by the QVM: {response.text}')
        return qvm_version