Add source timestamp to source results

[HeavyWombat]

Is there an existing feature request for this?

• I have searched the existing feature requests

Is your feature request related to a problem or use-case? Please describe.

Use Case is the Build Output Image Timestamp SHIP.

Describe the solution that you would like.

Extend the respective source results to include a timestamp that contains the timestamp of the source, e.g. a Git source is best represented by the commit timestamp of the latest commit.

Describe alternatives you have considered.

n/a

Anything else?

No response