I don't think that's a relevant distinction. The article you linked to references both and uses wording like this ( mine):
In this spirit of enabling developers and their organizations, Google is pleased to be joining the Technical Steering Group of the .NET Foundation. .NET is a key component in the modern enterprise, and the Google Cloud Platform (GCP) team has worked hard to ensure that .NET has first-class support on Google’s infrastructure, including excellent infrastructure for Windows.
In this spirit of enabling developers and their organizations, Google is pleased to be joining the Technical Steering Group of the .NET Foundation. .NET is a key component in the modern enterprise, and the Google Cloud Platform (GCP) team has worked hard to ensure that .NET has first-class support on Google’s infrastructure, including excellent infrastructure for Windows.