[universal] - Issue universal config change for non-root default codespace user in universal image

[Kaniska244]

Ref: actions/runner-images#10936

Dev container name:

Universal

Description:

This PR change is made to force 1001 as UID for the non-root default codespace user in the universal image due changes in GitHub runner for larger runners to force 1001 as UID for the runner user.

Changelog:

• Updated devcontainer.json file to force 1001 as UID for codespace user in universal image & removed the GID value so that its picked up as automatic.

Checklist:

• Checked that applied changes work as expected.