GDK: Add workspaces in gdk.yml

MR: Add workspaces in gdk.yml (!5034 - merged)

Overview

Add Workspaces config in gdk.yml .

Impacted categories

The following categories relate to this issue:

• gdk-reliability - e.g. When a GDK action fails to complete.
• gdk-usability - e.g. Improvements or suggestions around how the GDK functions.
• gdk-performance - e.g. When a GDK action is slow or times out.