[Fix] sc-22573 Add primehub-examples image into primehub release package

[kentwelcome]

Signed-off-by: Kent Huang kentwelcome@gmail.com

PR checklist

• [x] Ensure you have added or ran the appropriate tests for your PR.
• [x] DCO signed

What type of PR is this? Bug fix

What this PR does / why we need it:

• Add primehub-examplese image into primehub release package. Otherwise, the user can not launch Jupiter notebook in airgap environment.

Which issue(s) this PR fixes: sc-22573

Special notes for your reviewer:

Does this PR introduce a user-facing change?: