Implement Jest predictive testing with related test detection

Overview

Using the related test detection, enable the gdk predictive command to run Jest tests, based on the current local changes.

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.

Proposal